{"id":6869407039558,"title":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs","handle":"herbsmith-rx-sound-tendon-herbal-formula-for-cats-and-dogs","description":"\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0021\/2110\/5457\/files\/veterinary_authorizaton_required_for_tcvm_herbal_formulas_240x240.jpg?v=1787081808\" alt=\"Veterinary Authorization Required for TCVM Herbal Formulas - TCVM Pet Supply\" style=\"margin: 5px 5px 5px 5px; float: right;\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRecommended by holistic veterinarians, Herbsmith Rx Sound Tendon is a Traditional Chinese Veterinary Medicine (TCVM) herbal formula designed to nourish Liver Yin and Liver Blood, strengthen sinews, and restore resilience and flexibility to tendons, ligaments, and fibrous connective tissue in dogs and cats. In TCVM, the Liver controls the sinews: it governs the health, suppleness, and strength of all tendons, ligaments, and fibrous tissue throughout the body, nourishing them through its Blood and Yin. The Liver is analogous to a healthy green tree: strong enough to support weight and structure, yet supple and flexible enough to bend with the forces placed upon it without breaking. Tendons and ligaments require this same combination of strength and flexibility to support the body through movement and absorb the concussive forces of activity. When Liver Yin or Liver Blood becomes deficient, the sinews lose their nourishing supply and become brittle - like a dried-out tree whose fibers have lost their moisture and resilience. This brittleness reduces the flexibility needed for normal motion and increases the risk of fiber tearing, strain, and chronic sinew injury. The eleven herbs in Sound Tendon nourish Liver Yin and Blood to restore moisture and resilience to the sinews, while also incorporating Yang-warming and circulation-moving herbs that activate the delivery of nourishment to the sinew tissue, open the channels and collaterals to the limbs, and consolidate the Kidney Yang that anchors and activates the Liver Yin-Blood nourishing function. Available in powder for dogs and cats (75g, 150g, 500g, 900g, 1200g). Dosing varies by body weight; your authorizing veterinarian will provide specific guidance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVETERINARY AUTHORIZATION REQUIRED: \u003ca href=\"https:\/\/tcvmpet.com\/pages\/get-an-authorization\" style=\"color: rgb(0, 0, 0);\"\u003eSubmit Your Authorization Request\u003c\/a\u003e or \u003ca href=\"https:\/\/tcvmpet.com\/pages\/schedule-a-consultation\" style=\"color: rgb(0, 0, 0);\"\u003eRequest a TCVM Telemedicine Consultation\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWhat It Supports\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLiver Yin and Blood nourishment to restore sinew moisture and resilience:\u003c\/strong\u003e Bai Shao Yao, Gou Qi Zi, Dang Gui Tou, Shan Zhu Yu, and Chuan Xiong nourish Liver Yin and Blood, restoring the fluid and nourishing substance that keeps tendons, ligaments, and fibrous tissue supple, strong, and resilient; when Liver Blood and Yin are sufficient, sinews are like a healthy green tree - strong and flexible; when deficient, they become brittle and prone to tearing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSinew strengthening and channel opening to support tendon and ligament integrity:\u003c\/strong\u003e Sang Zhi, Chuan Niu Xi, Wu Jia Pi, and Gui Zhi open the channels and collaterals to the limbs, strengthen the sinews directly, and move Qi and Blood through the connective tissue to ensure the nourishing herbs reach their sinew targets; sinew nourishment requires not only sufficient Liver Blood but also open channels through which that nourishment can circulate.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eYang activation to mobilize and deliver nourishment to the sinews:\u003c\/strong\u003e Yin Yang Huo, Gui Zhi, and Bu Gu Zhi provide the Yang-warming and activating action needed to drive the Liver Blood and Yin nourishment into the sinew tissue; in TCVM, Yin cannot nourish without the activating warmth of Yang to circulate it; these herbs warm the channels, activate Kidney Yang as the root of all Yang, and ensure the formula's Yin-nourishing herbs are circulated and delivered to the sinews rather than remaining static.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eChronic sinew injury, strain, and stiffness from Liver Blood and Yin deficiency:\u003c\/strong\u003e Supports the management of the constitutional sinew weakness, stiffness, and injury susceptibility that arises when Liver Blood and Yin can no longer adequately nourish the tendons and ligaments; appropriate for animals with recurrent tendon or ligament injury, chronic sinew stiffness, or the general connective tissue fragility of Liver Blood and Yin deficiency.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTCVM Principles\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePrimary action:\u003c\/strong\u003e Nourish Liver Yin and Blood, strengthen sinews and tendons, open channels and collaterals to the limbs, warm and activate Yang to circulate nourishment to the sinews, and astringe and consolidate Liver and Kidney Essence to prevent continued depletion of the Yin-Blood foundation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eApproach:\u003c\/strong\u003e In TCVM, the Liver stores Blood and controls the sinews. All tendons, ligaments, and fibrous connective tissue depend on Liver Blood and Yin for their nourishment, suppleness, and structural integrity. The classical image is the green tree: healthy Liver Blood and Yin keep the sinews moist, supple, and strong, like a living tree with sufficient water and vital substance; Liver Blood and Yin deficiency leaves the sinews like a dried tree, brittle and prone to cracking under force. Liver Blood and Yin deficiency in dogs and cats can arise from aging, chronic illness, constitutional deficiency, or prolonged physical demands that exhaust the Liver's nourishing reserves. The sinew consequences include chronic stiffness, reduced range of motion, recurrent strains, tendon and ligament fragility, and the general loss of connective tissue resilience that makes the animal more susceptible to injury. Sound Tendon addresses this pattern with an eleven-herb formula that works on three levels: Liver Blood and Yin tonification to restore the nourishing substance the sinews need; channel and collateral opening to ensure that nourishment circulates to the sinew tissue; and Yang activation through Kidney Yang-warming herbs that provide the thermal driving force needed to circulate the Yin-Blood nourishment to its destinations. This combination of Yin nourishment and Yang activation reflects the TCVM principle that Yin and Yang are interdependent - adequate Yang is required to activate and circulate adequate Yin, and a formula that nourishes Yin without activating Yang may leave the nourishment static and ineffective.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAvailable Forms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e75g Powder:\u003c\/strong\u003e Starter size for cats and small dogs; mix into food twice daily.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e150g Powder:\u003c\/strong\u003e Mid-size supply for small to medium dogs or a 1-2 month supply for cats.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e500g Powder:\u003c\/strong\u003e Standard supply for medium to large dogs; appropriate for ongoing long-term use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e900g Powder:\u003c\/strong\u003e Larger supply for big dogs or multi-pet households; cost-effective for consistent constitutional daily use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e1200g Powder:\u003c\/strong\u003e Bulk size for very large dogs or extended treatment courses.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIngredients\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eActive ingredients: Yin Yang Huo (Epimedium brevicornu) - Epimedium (Horny Goat Weed); Sang Zhi (Morus alba, branch) - Mulberry twig; Dang Gui Tou (Angelica sinensis, head) - Angelica root head (Tang Kuei); Bai Shao Yao (Paeonia lactiflora) - White Peony root; Chuan Niu Xi (Cyathula officinalis) - Cyathula root; Chuan Xiong (Ligusticum chuanxiong) - Szechuan Lovage rhizome; Gou Qi Zi (Lycium barbarum) - Lycium berry (Wolfberry); Gui Zhi (Cinnamomum cassia, twig) - Cinnamon twig; Shan Zhu Yu (Cornus officinalis) - Cornus fruit; Wu Jia Pi (Acanthopanax gracilistylus) - Acanthopanax root bark; Bu Gu Zhi (Psoralea corylifolia) - Psoralea fruit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInactive ingredients: Flaxseed (in all powder forms).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVETERINARY AUTHORIZATION REQUIRED: \u003ca href=\"https:\/\/tcvmpet.com\/pages\/get-an-authorization\" style=\"color: rgb(0, 0, 0);\"\u003eSubmit Your Authorization Request\u003c\/a\u003e or \u003ca href=\"https:\/\/tcvmpet.com\/pages\/schedule-a-consultation\" style=\"color: rgb(0, 0, 0);\"\u003eRequest a TCVM Telemedicine Consultation\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eActive Ingredient TCVM Actions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSound Tendon is an eleven-herb formula organized around three complementary strategies: Liver Blood and Yin tonification to restore the nourishing substance the sinews depend on, channel and collateral opening to circulate that nourishment to the sinew tissue, and Yang activation to provide the thermal driving force that mobilizes Yin nourishment and consolidates the Kidney Yang root from which Liver Yin is generated:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eYin Yang Huo (Epimedium brevicornu) - Epimedium:\u003c\/strong\u003e Tonifies Kidney Yang and Essence, strengthens sinews and bones, and dispels Wind-Cold-Dampness from the channels; despite its name emphasizing Yin, Yin Yang Huo is primarily a Kidney Yang tonic; in this formula, it serves the Yang-activation strategy: it warms and activates the Kidney Yang that serves as the root of all Yang in the body, provides the thermal driving force that circulates the Yin-nourishing herbs to the sinews, and directly strengthens sinews and bones through its Kidney-consolidating action; also dispels any Wind-Cold-Dampness obstructing the channels to ensure unimpeded nourishment delivery.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSang Zhi (Morus alba, branch) - Mulberry twig:\u003c\/strong\u003e Opens channels and collaterals, dispels Wind-Dampness, and benefits the sinews and joints of the upper limbs particularly; the formula's primary upper-body channel-opening herb; Sang Zhi's branch nature in TCVM reflects its action of opening the branching channels and collaterals throughout the limbs, ensuring the nourishing herbs reach the sinew tissue at the extremities; particularly important for the upper limb tendons and ligaments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDang Gui Tou (Angelica sinensis, head) - Angelica root head (Tang Kuei):\u003c\/strong\u003e Nourishes and tonifies Liver Blood without strongly moving it; the head preparation of Angelica root is specifically tonifying in nature, making it the appropriate preparation for a formula focused on nourishing deficiency; nourishes Liver Blood as the foundational substance that keeps sinews supple and resilient; also mildly moves Blood to ensure the nourished Blood circulates to the sinew tissue rather than stagnating.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBai Shao Yao (Paeonia lactiflora) - White Peony root:\u003c\/strong\u003e Nourishes Liver Blood and Yin, calms Liver Yang, relaxes spasms, and relieves sinew and muscle soreness; one of the most important Liver Blood and Yin tonics in the TCVM materia medica; Bai Shao Yao specifically addresses the sinew consequences of Liver Blood deficiency - the spasm, cramping, stiffness, and soreness that arise when sinews are insufficiently nourished; also calms any Liver Yang rising that arises when Liver Yin cannot anchor it, preventing the secondary stiffness and tension that accompanies unchecked Liver Yang.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eChuan Niu Xi (Cyathula officinalis) - Cyathula root:\u003c\/strong\u003e Invigorates Blood, opens channels and collaterals, strengthens sinews and bones, and guides the formula's actions downward to the lower limbs; the formula's primary lower-body channel-opening and Blood-moving herb; Chuan Niu Xi specifically opens the channels of the lower limbs and directs nourishment downward, making it particularly important for lower limb tendon and ligament issues; also directly strengthens sinews and bones through its Liver and Kidney-entering nature.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eChuan Xiong (Ligusticum chuanxiong) - Szechuan Lovage rhizome:\u003c\/strong\u003e Invigorates Blood, moves Qi, opens channels and collaterals, and dispels Wind; the formula's primary Qi and Blood-moving herb; Chuan Xiong ensures that the Yin and Blood tonics are circulated rather than creating stagnation, opens channels and collaterals throughout the body to the sinew tissue, and prevents the tonic herbs from causing the Qi stagnation that can result from nourishing formulas without adequate moving herbs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eGou Qi Zi (Lycium barbarum) - Lycium berry (Wolfberry):\u003c\/strong\u003e Nourishes Liver and Kidney Yin and Blood, brightens the eyes, and tonifies Essence; provides deep Liver and Kidney Yin and Blood nourishment alongside Bai Shao Yao and Dang Gui Tou; Gou Qi Zi's Kidney-nourishing action is particularly important because Kidney Yin is the root from which Liver Yin is generated - nourishing Kidney Yin through Gou Qi Zi ensures the foundational Yin source is replenished, supporting long-term restoration of the Liver Yin-Blood that nourishes the sinews.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eGui Zhi (Cinnamomum cassia, twig) - Cinnamon twig:\u003c\/strong\u003e Warms the channels and collaterals, opens the circulation to the extremities, dispels Cold, and harmonizes Ying and Wei Qi; the formula's primary channel-warming herb; Gui Zhi warms and opens the channels and collaterals, ensuring that nourishing herbs can reach the sinew tissue in the extremities where Cold and obstruction may have reduced circulation; works with the Yin-nourishing herbs by providing the warmth needed to circulate them; the twig form specifically opens the branching channels of the limbs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eShan Zhu Yu (Cornus officinalis) - Cornus fruit:\u003c\/strong\u003e Nourishes and astringes Liver and Kidney Yin and Essence, tonifies the Liver and Kidneys, and consolidates Essence to prevent its depletion; provides both Yin tonification and astringent consolidation - not only nourishing the Liver Yin that sustains the sinews but also consolidating and retaining the Essence that has been depleted by the chronic deficiency; the astringent action prevents the continued loss of Yin and Essence that perpetuates sinew brittleness, making it an essential component of any formula addressing chronic Liver Yin deficiency.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWu Jia Pi (Acanthopanax gracilistylus) - Acanthopanax root bark:\u003c\/strong\u003e Strengthens sinews and bones, dispels Wind-Cold-Dampness, and tonifies the Liver and Kidneys; one of the most important herbs in the TCVM materia medica specifically for strengthening tendons, ligaments, and bones; Wu Jia Pi directly strengthens the sinew tissue through its Liver and Kidney-tonifying action, dispels any Wind-Cold-Dampness obstruction from the channels that prevents nourishment from reaching the sinews, and adds direct structural support to the formula's Yin-nourishing strategy; particularly appropriate for the atonic, weak, or easily fatigued sinew tissue of constitutional Liver Blood deficiency.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBu Gu Zhi (Psoralea corylifolia) - Psoralea fruit:\u003c\/strong\u003e Tonifies Kidney Yang and Essence, warms the Spleen Yang, and consolidates Kidney Essence; the formula's primary Kidney Yang-consolidating herb alongside Yin Yang Huo; Bu Gu Zhi warms and consolidates the Kidney Yang that is the constitutional root of all Yang activation in the body, ensuring the formula's Yang-activating strategy has a strong Kidney Yang foundation; also tonifies Kidney Essence, which is the substrate from which both Kidney Yin and Kidney Yang are generated, supporting the long-term restoration of both the Yin-nourishing and Yang-activating aspects of the formula's action.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePotential Drug Interactions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHerbsmith Rx Sound Tendon contains Dang Gui Tou (Angelica sinensis), which has mild Blood-nourishing and Blood-moving properties; Chuan Xiong, which moves Qi and Blood; Chuan Niu Xi, which invigorates Blood in the lower limbs; and Yin Yang Huo (Epimedium), which tonifies Kidney Yang and may influence hormone-related pathways. Dogs and cats on prescription medications should use this formula under veterinary supervision.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMedication categories warranting extra caution include anticoagulant or antiplatelet medications (Dang Gui Tou, Chuan Xiong, and Chuan Niu Xi all have Blood-moving properties that may potentiate anticoagulant effects; concurrent use with warfarin, heparin, or antiplatelet medications warrants veterinary monitoring), hormone-sensitive conditions (Yin Yang Huo may influence estrogen-related pathways and should be used cautiously in animals with hormone-sensitive conditions or those on hormone therapies), and animals on multiple concurrent prescription medications. Your veterinarian can determine appropriateness based on your pet's condition, current medications, and laboratory results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVETERINARY AUTHORIZATION REQUIRED: \u003ca href=\"https:\/\/tcvmpet.com\/pages\/get-an-authorization\" style=\"color: rgb(0, 0, 0);\"\u003eSubmit Your Authorization Request\u003c\/a\u003e or \u003ca href=\"https:\/\/tcvmpet.com\/pages\/schedule-a-consultation\" style=\"color: rgb(0, 0, 0);\"\u003eRequest a TCVM Telemedicine Consultation\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWhat conditions in dogs and cats is Sound Tendon most appropriate for?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSound Tendon is most appropriate for dogs and cats showing signs of Liver Blood and Yin deficiency affecting the sinews: chronic tendon or ligament stiffness, recurrent sinew strains or tears, slow recovery from connective tissue injuries, general connective tissue fragility, and the subtle brittleness and reduced flexibility that comes with aging or constitutional Liver Blood deficiency. Animals that repeatedly strain the same tendon or ligament, or that seem to have less connective tissue resilience than expected for their age and activity level, are often good candidates for this formula. It is particularly suited to the aging dog or cat in whom Liver Blood and Yin are naturally declining with age, and to athletic or active animals whose demanding activity has exhausted their Liver Blood and Yin reserves. Your authorizing veterinarian can confirm the appropriate TCVM pattern diagnosis for your pet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHow is Sound Tendon administered, and what are the recommended doses?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMix the powder directly into your pet's food twice daily. For dogs: under 15 lbs, give 1\/4 teaspoon twice daily; 15-30 lbs, give 1\/2 teaspoon twice daily; 31-80 lbs, give 1 teaspoon twice daily; 81-120 lbs, give 1-1\/2 teaspoons twice daily; over 120 lbs, give 2 teaspoons twice daily. For cats: give 1\/4 teaspoon twice daily. Administer as prescribed by your authorizing veterinarian, who may adjust dosing based on your pet's specific pattern and response.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWhy does this formula include Yang-warming herbs if it is primarily a Yin and Blood tonic?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThis is one of the most important clinical features of Sound Tendon. In TCVM, Yin cannot nourish tissue effectively without Yang's activating warmth to circulate it. A formula that nourishes Liver Yin and Blood without adequate Yang activation may leave the nourishment static - the herbs may build the Yin-Blood substance, but without Yang warmth to drive circulation, that nourishment does not effectively reach the sinew tissue. Yin Yang Huo, Gui Zhi, and Bu Gu Zhi provide the Yang-warming and activating action that drives the Yin-nourishing herbs into circulation and to the sinews, while Sang Zhi, Chuan Niu Xi, and Gui Zhi open the channels and collaterals of the limbs to ensure the nourishment can physically reach the tendons and ligaments in the extremities. This Yin-Yang paired strategy reflects the TCVM principle that Yin and Yang are mutually interdependent and must be addressed together for complete therapeutic effect.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHow long does it take to see results with Sound Tendon?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBecause Sound Tendon addresses a constitutional Liver Blood and Yin deficiency pattern, improvement typically unfolds gradually over weeks to months. Animals with mild or shorter-standing sinew deficiency may show improved flexibility, reduced stiffness, and better recovery from activity within 4 to 6 weeks of consistent twice-daily use. Animals with more severe or long-standing Liver Blood and Yin deficiency, or with significant chronic connective tissue injury, may require 2 to 3 months before the full benefit is apparent. This formula is well-suited for long-term use as a constitutional sinew support, particularly in aging animals or those with ongoing activity demands that continue to challenge the Liver Blood and Yin reserves. Your authorizing veterinarian can monitor your pet's response and adjust dosing or duration as needed.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2022-04-05T19:56:35-05:00","created_at":"2022-03-25T15:11:49-05:00","vendor":"Herbsmith Rx","type":"Pet Vitamins \u0026 Supplements","tags":["Deficiency_Yin","Herb_Type_Powder","Product_Type_Herb","Species_Cat","Species_Dog","Vendor_Herbsmith_Rx"],"price":7000,"price_min":7000,"price_max":22200,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":39935058313286,"title":"Powder - Canine \/ 75g Powder","option1":"Powder - Canine","option2":"75g Powder","option3":null,"sku":"HSTH-75","requires_shipping":true,"taxable":true,"featured_image":{"id":29298469240902,"product_id":6869407039558,"position":2,"created_at":"2022-06-05T12:17:45-05:00","updated_at":"2022-06-05T14:23:41-05:00","alt":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs powder","width":960,"height":997,"src":"\/\/tcvmpet.com\/cdn\/shop\/products\/herbsmith3_969x997px_3cfb05bc-7178-4bde-92a7-8f07ae21930f.jpg?v=1654457021","variant_ids":[39935058313286]},"available":true,"name":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs - Powder - Canine \/ 75g Powder","public_title":"Powder - Canine \/ 75g Powder","options":["Powder - Canine","75g Powder"],"price":7000,"weight":75,"compare_at_price":null,"inventory_management":null,"barcode":"718122133123","featured_media":{"alt":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs powder","id":21574234341446,"position":2,"preview_image":{"aspect_ratio":0.963,"height":997,"width":960,"src":"\/\/tcvmpet.com\/cdn\/shop\/products\/herbsmith3_969x997px_3cfb05bc-7178-4bde-92a7-8f07ae21930f.jpg?v=1654457021"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":39935058346054,"title":"Powder - Canine \/ 150g Powder","option1":"Powder - Canine","option2":"150g Powder","option3":null,"sku":"HSTH-150","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs - Powder - Canine \/ 150g Powder","public_title":"Powder - Canine \/ 150g Powder","options":["Powder - Canine","150g Powder"],"price":8400,"weight":150,"compare_at_price":null,"inventory_management":null,"barcode":"718122133130","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":39935058378822,"title":"Powder - Canine \/ 500g Powder","option1":"Powder - Canine","option2":"500g Powder","option3":null,"sku":"HSTH-500","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs - Powder - Canine \/ 500g Powder","public_title":"Powder - Canine \/ 500g Powder","options":["Powder - Canine","500g Powder"],"price":14200,"weight":500,"compare_at_price":null,"inventory_management":null,"barcode":"718122133147","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":39935058411590,"title":"Powder - Canine \/ 900g Powder","option1":"Powder - Canine","option2":"900g Powder","option3":null,"sku":"HSTH-900","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs - Powder - Canine \/ 900g Powder","public_title":"Powder - Canine \/ 900g Powder","options":["Powder - Canine","900g Powder"],"price":17700,"weight":900,"compare_at_price":null,"inventory_management":null,"barcode":"718122133154","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":39935058444358,"title":"Powder - Canine \/ 1200g Powder","option1":"Powder - Canine","option2":"1200g Powder","option3":null,"sku":"HSTH-1200","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs - Powder - Canine \/ 1200g Powder","public_title":"Powder - Canine \/ 1200g Powder","options":["Powder - Canine","1200g Powder"],"price":22200,"weight":1200,"compare_at_price":null,"inventory_management":null,"barcode":"718122133161","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/tcvmpet.com\/cdn\/shop\/products\/SoundTendon.jpg?v=1648240538","\/\/tcvmpet.com\/cdn\/shop\/products\/herbsmith3_969x997px_3cfb05bc-7178-4bde-92a7-8f07ae21930f.jpg?v=1654457021"],"featured_image":"\/\/tcvmpet.com\/cdn\/shop\/products\/SoundTendon.jpg?v=1648240538","options":["Type","Size"],"media":[{"alt":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs","id":21380337139782,"position":1,"preview_image":{"aspect_ratio":1.017,"height":418,"width":425,"src":"\/\/tcvmpet.com\/cdn\/shop\/products\/SoundTendon.jpg?v=1648240538"},"aspect_ratio":1.017,"height":418,"media_type":"image","src":"\/\/tcvmpet.com\/cdn\/shop\/products\/SoundTendon.jpg?v=1648240538","width":425},{"alt":"Herbsmith Rx Sound Tendon Herbal Formula for Cats and Dogs powder","id":21574234341446,"position":2,"preview_image":{"aspect_ratio":0.963,"height":997,"width":960,"src":"\/\/tcvmpet.com\/cdn\/shop\/products\/herbsmith3_969x997px_3cfb05bc-7178-4bde-92a7-8f07ae21930f.jpg?v=1654457021"},"aspect_ratio":0.963,"height":997,"media_type":"image","src":"\/\/tcvmpet.com\/cdn\/shop\/products\/herbsmith3_969x997px_3cfb05bc-7178-4bde-92a7-8f07ae21930f.jpg?v=1654457021","width":960}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0021\/2110\/5457\/files\/veterinary_authorizaton_required_for_tcvm_herbal_formulas_240x240.jpg?v=1787081808\" alt=\"Veterinary Authorization Required for TCVM Herbal Formulas - TCVM Pet Supply\" style=\"margin: 5px 5px 5px 5px; float: right;\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRecommended by holistic veterinarians, Herbsmith Rx Sound Tendon is a Traditional Chinese Veterinary Medicine (TCVM) herbal formula designed to nourish Liver Yin and Liver Blood, strengthen sinews, and restore resilience and flexibility to tendons, ligaments, and fibrous connective tissue in dogs and cats. In TCVM, the Liver controls the sinews: it governs the health, suppleness, and strength of all tendons, ligaments, and fibrous tissue throughout the body, nourishing them through its Blood and Yin. The Liver is analogous to a healthy green tree: strong enough to support weight and structure, yet supple and flexible enough to bend with the forces placed upon it without breaking. Tendons and ligaments require this same combination of strength and flexibility to support the body through movement and absorb the concussive forces of activity. When Liver Yin or Liver Blood becomes deficient, the sinews lose their nourishing supply and become brittle - like a dried-out tree whose fibers have lost their moisture and resilience. This brittleness reduces the flexibility needed for normal motion and increases the risk of fiber tearing, strain, and chronic sinew injury. The eleven herbs in Sound Tendon nourish Liver Yin and Blood to restore moisture and resilience to the sinews, while also incorporating Yang-warming and circulation-moving herbs that activate the delivery of nourishment to the sinew tissue, open the channels and collaterals to the limbs, and consolidate the Kidney Yang that anchors and activates the Liver Yin-Blood nourishing function. Available in powder for dogs and cats (75g, 150g, 500g, 900g, 1200g). Dosing varies by body weight; your authorizing veterinarian will provide specific guidance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVETERINARY AUTHORIZATION REQUIRED: \u003ca href=\"https:\/\/tcvmpet.com\/pages\/get-an-authorization\" style=\"color: rgb(0, 0, 0);\"\u003eSubmit Your Authorization Request\u003c\/a\u003e or \u003ca href=\"https:\/\/tcvmpet.com\/pages\/schedule-a-consultation\" style=\"color: rgb(0, 0, 0);\"\u003eRequest a TCVM Telemedicine Consultation\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWhat It Supports\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLiver Yin and Blood nourishment to restore sinew moisture and resilience:\u003c\/strong\u003e Bai Shao Yao, Gou Qi Zi, Dang Gui Tou, Shan Zhu Yu, and Chuan Xiong nourish Liver Yin and Blood, restoring the fluid and nourishing substance that keeps tendons, ligaments, and fibrous tissue supple, strong, and resilient; when Liver Blood and Yin are sufficient, sinews are like a healthy green tree - strong and flexible; when deficient, they become brittle and prone to tearing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSinew strengthening and channel opening to support tendon and ligament integrity:\u003c\/strong\u003e Sang Zhi, Chuan Niu Xi, Wu Jia Pi, and Gui Zhi open the channels and collaterals to the limbs, strengthen the sinews directly, and move Qi and Blood through the connective tissue to ensure the nourishing herbs reach their sinew targets; sinew nourishment requires not only sufficient Liver Blood but also open channels through which that nourishment can circulate.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eYang activation to mobilize and deliver nourishment to the sinews:\u003c\/strong\u003e Yin Yang Huo, Gui Zhi, and Bu Gu Zhi provide the Yang-warming and activating action needed to drive the Liver Blood and Yin nourishment into the sinew tissue; in TCVM, Yin cannot nourish without the activating warmth of Yang to circulate it; these herbs warm the channels, activate Kidney Yang as the root of all Yang, and ensure the formula's Yin-nourishing herbs are circulated and delivered to the sinews rather than remaining static.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eChronic sinew injury, strain, and stiffness from Liver Blood and Yin deficiency:\u003c\/strong\u003e Supports the management of the constitutional sinew weakness, stiffness, and injury susceptibility that arises when Liver Blood and Yin can no longer adequately nourish the tendons and ligaments; appropriate for animals with recurrent tendon or ligament injury, chronic sinew stiffness, or the general connective tissue fragility of Liver Blood and Yin deficiency.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTCVM Principles\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003ePrimary action:\u003c\/strong\u003e Nourish Liver Yin and Blood, strengthen sinews and tendons, open channels and collaterals to the limbs, warm and activate Yang to circulate nourishment to the sinews, and astringe and consolidate Liver and Kidney Essence to prevent continued depletion of the Yin-Blood foundation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eApproach:\u003c\/strong\u003e In TCVM, the Liver stores Blood and controls the sinews. All tendons, ligaments, and fibrous connective tissue depend on Liver Blood and Yin for their nourishment, suppleness, and structural integrity. The classical image is the green tree: healthy Liver Blood and Yin keep the sinews moist, supple, and strong, like a living tree with sufficient water and vital substance; Liver Blood and Yin deficiency leaves the sinews like a dried tree, brittle and prone to cracking under force. Liver Blood and Yin deficiency in dogs and cats can arise from aging, chronic illness, constitutional deficiency, or prolonged physical demands that exhaust the Liver's nourishing reserves. The sinew consequences include chronic stiffness, reduced range of motion, recurrent strains, tendon and ligament fragility, and the general loss of connective tissue resilience that makes the animal more susceptible to injury. Sound Tendon addresses this pattern with an eleven-herb formula that works on three levels: Liver Blood and Yin tonification to restore the nourishing substance the sinews need; channel and collateral opening to ensure that nourishment circulates to the sinew tissue; and Yang activation through Kidney Yang-warming herbs that provide the thermal driving force needed to circulate the Yin-Blood nourishment to its destinations. This combination of Yin nourishment and Yang activation reflects the TCVM principle that Yin and Yang are interdependent - adequate Yang is required to activate and circulate adequate Yin, and a formula that nourishes Yin without activating Yang may leave the nourishment static and ineffective.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAvailable Forms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e75g Powder:\u003c\/strong\u003e Starter size for cats and small dogs; mix into food twice daily.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e150g Powder:\u003c\/strong\u003e Mid-size supply for small to medium dogs or a 1-2 month supply for cats.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e500g Powder:\u003c\/strong\u003e Standard supply for medium to large dogs; appropriate for ongoing long-term use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e900g Powder:\u003c\/strong\u003e Larger supply for big dogs or multi-pet households; cost-effective for consistent constitutional daily use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e1200g Powder:\u003c\/strong\u003e Bulk size for very large dogs or extended treatment courses.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIngredients\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eActive ingredients: Yin Yang Huo (Epimedium brevicornu) - Epimedium (Horny Goat Weed); Sang Zhi (Morus alba, branch) - Mulberry twig; Dang Gui Tou (Angelica sinensis, head) - Angelica root head (Tang Kuei); Bai Shao Yao (Paeonia lactiflora) - White Peony root; Chuan Niu Xi (Cyathula officinalis) - Cyathula root; Chuan Xiong (Ligusticum chuanxiong) - Szechuan Lovage rhizome; Gou Qi Zi (Lycium barbarum) - Lycium berry (Wolfberry); Gui Zhi (Cinnamomum cassia, twig) - Cinnamon twig; Shan Zhu Yu (Cornus officinalis) - Cornus fruit; Wu Jia Pi (Acanthopanax gracilistylus) - Acanthopanax root bark; Bu Gu Zhi (Psoralea corylifolia) - Psoralea fruit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eInactive ingredients: Flaxseed (in all powder forms).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVETERINARY AUTHORIZATION REQUIRED: \u003ca href=\"https:\/\/tcvmpet.com\/pages\/get-an-authorization\" style=\"color: rgb(0, 0, 0);\"\u003eSubmit Your Authorization Request\u003c\/a\u003e or \u003ca href=\"https:\/\/tcvmpet.com\/pages\/schedule-a-consultation\" style=\"color: rgb(0, 0, 0);\"\u003eRequest a TCVM Telemedicine Consultation\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eActive Ingredient TCVM Actions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSound Tendon is an eleven-herb formula organized around three complementary strategies: Liver Blood and Yin tonification to restore the nourishing substance the sinews depend on, channel and collateral opening to circulate that nourishment to the sinew tissue, and Yang activation to provide the thermal driving force that mobilizes Yin nourishment and consolidates the Kidney Yang root from which Liver Yin is generated:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul style=\"text-align: left;\"\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eYin Yang Huo (Epimedium brevicornu) - Epimedium:\u003c\/strong\u003e Tonifies Kidney Yang and Essence, strengthens sinews and bones, and dispels Wind-Cold-Dampness from the channels; despite its name emphasizing Yin, Yin Yang Huo is primarily a Kidney Yang tonic; in this formula, it serves the Yang-activation strategy: it warms and activates the Kidney Yang that serves as the root of all Yang in the body, provides the thermal driving force that circulates the Yin-nourishing herbs to the sinews, and directly strengthens sinews and bones through its Kidney-consolidating action; also dispels any Wind-Cold-Dampness obstructing the channels to ensure unimpeded nourishment delivery.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eSang Zhi (Morus alba, branch) - Mulberry twig:\u003c\/strong\u003e Opens channels and collaterals, dispels Wind-Dampness, and benefits the sinews and joints of the upper limbs particularly; the formula's primary upper-body channel-opening herb; Sang Zhi's branch nature in TCVM reflects its action of opening the branching channels and collaterals throughout the limbs, ensuring the nourishing herbs reach the sinew tissue at the extremities; particularly important for the upper limb tendons and ligaments.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eDang Gui Tou (Angelica sinensis, head) - Angelica root head (Tang Kuei):\u003c\/strong\u003e Nourishes and tonifies Liver Blood without strongly moving it; the head preparation of Angelica root is specifically tonifying in nature, making it the appropriate preparation for a formula focused on nourishing deficiency; nourishes Liver Blood as the foundational substance that keeps sinews supple and resilient; also mildly moves Blood to ensure the nourished Blood circulates to the sinew tissue rather than stagnating.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBai Shao Yao (Paeonia lactiflora) - White Peony root:\u003c\/strong\u003e Nourishes Liver Blood and Yin, calms Liver Yang, relaxes spasms, and relieves sinew and muscle soreness; one of the most important Liver Blood and Yin tonics in the TCVM materia medica; Bai Shao Yao specifically addresses the sinew consequences of Liver Blood deficiency - the spasm, cramping, stiffness, and soreness that arise when sinews are insufficiently nourished; also calms any Liver Yang rising that arises when Liver Yin cannot anchor it, preventing the secondary stiffness and tension that accompanies unchecked Liver Yang.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eChuan Niu Xi (Cyathula officinalis) - Cyathula root:\u003c\/strong\u003e Invigorates Blood, opens channels and collaterals, strengthens sinews and bones, and guides the formula's actions downward to the lower limbs; the formula's primary lower-body channel-opening and Blood-moving herb; Chuan Niu Xi specifically opens the channels of the lower limbs and directs nourishment downward, making it particularly important for lower limb tendon and ligament issues; also directly strengthens sinews and bones through its Liver and Kidney-entering nature.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eChuan Xiong (Ligusticum chuanxiong) - Szechuan Lovage rhizome:\u003c\/strong\u003e Invigorates Blood, moves Qi, opens channels and collaterals, and dispels Wind; the formula's primary Qi and Blood-moving herb; Chuan Xiong ensures that the Yin and Blood tonics are circulated rather than creating stagnation, opens channels and collaterals throughout the body to the sinew tissue, and prevents the tonic herbs from causing the Qi stagnation that can result from nourishing formulas without adequate moving herbs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eGou Qi Zi (Lycium barbarum) - Lycium berry (Wolfberry):\u003c\/strong\u003e Nourishes Liver and Kidney Yin and Blood, brightens the eyes, and tonifies Essence; provides deep Liver and Kidney Yin and Blood nourishment alongside Bai Shao Yao and Dang Gui Tou; Gou Qi Zi's Kidney-nourishing action is particularly important because Kidney Yin is the root from which Liver Yin is generated - nourishing Kidney Yin through Gou Qi Zi ensures the foundational Yin source is replenished, supporting long-term restoration of the Liver Yin-Blood that nourishes the sinews.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eGui Zhi (Cinnamomum cassia, twig) - Cinnamon twig:\u003c\/strong\u003e Warms the channels and collaterals, opens the circulation to the extremities, dispels Cold, and harmonizes Ying and Wei Qi; the formula's primary channel-warming herb; Gui Zhi warms and opens the channels and collaterals, ensuring that nourishing herbs can reach the sinew tissue in the extremities where Cold and obstruction may have reduced circulation; works with the Yin-nourishing herbs by providing the warmth needed to circulate them; the twig form specifically opens the branching channels of the limbs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eShan Zhu Yu (Cornus officinalis) - Cornus fruit:\u003c\/strong\u003e Nourishes and astringes Liver and Kidney Yin and Essence, tonifies the Liver and Kidneys, and consolidates Essence to prevent its depletion; provides both Yin tonification and astringent consolidation - not only nourishing the Liver Yin that sustains the sinews but also consolidating and retaining the Essence that has been depleted by the chronic deficiency; the astringent action prevents the continued loss of Yin and Essence that perpetuates sinew brittleness, making it an essential component of any formula addressing chronic Liver Yin deficiency.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eWu Jia Pi (Acanthopanax gracilistylus) - Acanthopanax root bark:\u003c\/strong\u003e Strengthens sinews and bones, dispels Wind-Cold-Dampness, and tonifies the Liver and Kidneys; one of the most important herbs in the TCVM materia medica specifically for strengthening tendons, ligaments, and bones; Wu Jia Pi directly strengthens the sinew tissue through its Liver and Kidney-tonifying action, dispels any Wind-Cold-Dampness obstruction from the channels that prevents nourishment from reaching the sinews, and adds direct structural support to the formula's Yin-nourishing strategy; particularly appropriate for the atonic, weak, or easily fatigued sinew tissue of constitutional Liver Blood deficiency.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eBu Gu Zhi (Psoralea corylifolia) - Psoralea fruit:\u003c\/strong\u003e Tonifies Kidney Yang and Essence, warms the Spleen Yang, and consolidates Kidney Essence; the formula's primary Kidney Yang-consolidating herb alongside Yin Yang Huo; Bu Gu Zhi warms and consolidates the Kidney Yang that is the constitutional root of all Yang activation in the body, ensuring the formula's Yang-activating strategy has a strong Kidney Yang foundation; also tonifies Kidney Essence, which is the substrate from which both Kidney Yin and Kidney Yang are generated, supporting the long-term restoration of both the Yin-nourishing and Yang-activating aspects of the formula's action.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePotential Drug Interactions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHerbsmith Rx Sound Tendon contains Dang Gui Tou (Angelica sinensis), which has mild Blood-nourishing and Blood-moving properties; Chuan Xiong, which moves Qi and Blood; Chuan Niu Xi, which invigorates Blood in the lower limbs; and Yin Yang Huo (Epimedium), which tonifies Kidney Yang and may influence hormone-related pathways. Dogs and cats on prescription medications should use this formula under veterinary supervision.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMedication categories warranting extra caution include anticoagulant or antiplatelet medications (Dang Gui Tou, Chuan Xiong, and Chuan Niu Xi all have Blood-moving properties that may potentiate anticoagulant effects; concurrent use with warfarin, heparin, or antiplatelet medications warrants veterinary monitoring), hormone-sensitive conditions (Yin Yang Huo may influence estrogen-related pathways and should be used cautiously in animals with hormone-sensitive conditions or those on hormone therapies), and animals on multiple concurrent prescription medications. Your veterinarian can determine appropriateness based on your pet's condition, current medications, and laboratory results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eVETERINARY AUTHORIZATION REQUIRED: \u003ca href=\"https:\/\/tcvmpet.com\/pages\/get-an-authorization\" style=\"color: rgb(0, 0, 0);\"\u003eSubmit Your Authorization Request\u003c\/a\u003e or \u003ca href=\"https:\/\/tcvmpet.com\/pages\/schedule-a-consultation\" style=\"color: rgb(0, 0, 0);\"\u003eRequest a TCVM Telemedicine Consultation\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWhat conditions in dogs and cats is Sound Tendon most appropriate for?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSound Tendon is most appropriate for dogs and cats showing signs of Liver Blood and Yin deficiency affecting the sinews: chronic tendon or ligament stiffness, recurrent sinew strains or tears, slow recovery from connective tissue injuries, general connective tissue fragility, and the subtle brittleness and reduced flexibility that comes with aging or constitutional Liver Blood deficiency. Animals that repeatedly strain the same tendon or ligament, or that seem to have less connective tissue resilience than expected for their age and activity level, are often good candidates for this formula. It is particularly suited to the aging dog or cat in whom Liver Blood and Yin are naturally declining with age, and to athletic or active animals whose demanding activity has exhausted their Liver Blood and Yin reserves. Your authorizing veterinarian can confirm the appropriate TCVM pattern diagnosis for your pet.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHow is Sound Tendon administered, and what are the recommended doses?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMix the powder directly into your pet's food twice daily. For dogs: under 15 lbs, give 1\/4 teaspoon twice daily; 15-30 lbs, give 1\/2 teaspoon twice daily; 31-80 lbs, give 1 teaspoon twice daily; 81-120 lbs, give 1-1\/2 teaspoons twice daily; over 120 lbs, give 2 teaspoons twice daily. For cats: give 1\/4 teaspoon twice daily. Administer as prescribed by your authorizing veterinarian, who may adjust dosing based on your pet's specific pattern and response.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWhy does this formula include Yang-warming herbs if it is primarily a Yin and Blood tonic?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThis is one of the most important clinical features of Sound Tendon. In TCVM, Yin cannot nourish tissue effectively without Yang's activating warmth to circulate it. A formula that nourishes Liver Yin and Blood without adequate Yang activation may leave the nourishment static - the herbs may build the Yin-Blood substance, but without Yang warmth to drive circulation, that nourishment does not effectively reach the sinew tissue. Yin Yang Huo, Gui Zhi, and Bu Gu Zhi provide the Yang-warming and activating action that drives the Yin-nourishing herbs into circulation and to the sinews, while Sang Zhi, Chuan Niu Xi, and Gui Zhi open the channels and collaterals of the limbs to ensure the nourishment can physically reach the tendons and ligaments in the extremities. This Yin-Yang paired strategy reflects the TCVM principle that Yin and Yang are mutually interdependent and must be addressed together for complete therapeutic effect.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eHow long does it take to see results with Sound Tendon?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBecause Sound Tendon addresses a constitutional Liver Blood and Yin deficiency pattern, improvement typically unfolds gradually over weeks to months. Animals with mild or shorter-standing sinew deficiency may show improved flexibility, reduced stiffness, and better recovery from activity within 4 to 6 weeks of consistent twice-daily use. Animals with more severe or long-standing Liver Blood and Yin deficiency, or with significant chronic connective tissue injury, may require 2 to 3 months before the full benefit is apparent. This formula is well-suited for long-term use as a constitutional sinew support, particularly in aging animals or those with ongoing activity demands that continue to challenge the Liver Blood and Yin reserves. Your authorizing veterinarian can monitor your pet's response and adjust dosing or duration as needed.\u003c\/span\u003e\u003c\/p\u003e"}