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Recommended by holistic veterinarians, Jing Tang Si Hai Formula is a Traditional Chinese Veterinary Medicine (TCVM) herbal formula that soothes Liver Qi, resolves stagnation, and eliminates enlargement to address the TCVM pattern of Liver Qi stagnation with Phlegm and nodular accumulation in dogs, cats, and horses. Named for its two iodine-rich marine herbs (Si Hai = Four Seas; Hai Zao, sargassum; and Kun Bu, laminaria), this four-herb formula combines two classical seaweed-based nodule-softening and hardness-dissipating herbs (Hai Zao, Kun Bu) with an oyster shell-based Liver-calming and nodule-softening herb (Mu Li) and a Liver Qi-moving herb (Chuan Mu Xiang) to address Phlegm-Qi stagnation accumulations. Based on Si Hai Su Yu Wan. Available as 0.5g capsules (200 count). No contraindications are listed. May be used as needed for up to 6 months, or in combination with conventional medication for 1 to 3 months, or as directed by your veterinarian. Dosing varies by species and body weight; your authorizing veterinarian will provide specific guidance.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Active ingredients: Chuan Mu Xiang (Vladimiria souliei), Vladimiria root; Hai Zao (Sargassum pallidum), Sargassum seaweed; Kun Bu (Laminaria japonica), Laminaria kelp; Mu Li (Ostrea gigas), Oyster shell.
Inactive ingredients: Bovine gelatin (capsule shell).
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Si Hai Formula is a four-herb formula based on Si Hai Su Yu Wan, organized around two iodine-rich marine nodule-softening herbs (Hai Zao, Kun Bu), an oyster shell-based Liver-calming and nodule-softening herb (Mu Li), and a Liver Qi-moving and stagnation-resolving herb (Chuan Mu Xiang):
Si Hai Formula contains Hai Zao and Kun Bu, two iodine-rich marine seaweed herbs whose significant iodine content may affect thyroid function and thyroid hormone levels and may interact with thyroid medications including methimazole, carbimazole, levothyroxine, and other thyroid-modulating medications; animals currently receiving thyroid medications should use this formula only under close veterinary supervision with monitoring of thyroid hormone levels during administration. Chuan Mu Xiang's sesquiterpene lactone constituents may interact with medications metabolized through cytochrome P450 pathways. Mu Li's calcium carbonate content may reduce the absorption of certain medications when administered concurrently; administer at least 2 hours apart from other medications where concurrent absorption is a concern. No contraindications or warnings are listed beyond the duration guidance to use in combination with conventional medication for 1 to 3 months. Dogs, cats, and horses on prescription medications should use this formula under veterinary supervision, as herb-drug interaction research in these species remains limited.
Medication categories warranting extra caution include thyroid medications, medications affected by iodine intake, medications metabolized through cytochrome P450 pathways, and animals managing multiple concurrent prescriptions. May be used as needed for up to 6 months, or in combination with conventional medication for 1 to 3 months, or as directed by your veterinarian. Your veterinarian can determine appropriateness based on your animal's condition, current medications, and laboratory results, including thyroid panel monitoring during administration.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Si Hai Formula addresses the TCVM pattern of Liver Qi stagnation with Phlegm condensation producing nodular accumulations or enlargement. In TCVM theory, when Liver Qi becomes constrained and fails to flow freely through the channel system, stagnant Qi can combine with Phlegm to form tangible accumulations in the soft tissues and glands of the body - classical TCVM texts describe a range of these accumulations including goiter (neck gland enlargement from Phlegm-Qi stagnation), subcutaneous nodules, and organ-level enlargements arising from the same Phlegm-Qi condensation mechanism. "Eliminate enlargement" refers to the formula's action of softening and dissipating these Phlegm-Qi stagnation accumulations through the combined salty and nodule-softening action of Hai Zao, Kun Bu, and Mu Li alongside the Liver Qi-moving and stagnation-resolving action of Chuan Mu Xiang. The formula is tagged for endocrine health, reflecting its classical and modern veterinary TCVM application for thyroid-related glandular presentations. Your authorizing veterinarian will confirm the appropriate TCVM pattern diagnosis before recommending this formula.
Si Hai Formula is available as 0.5g capsules (200 count) that can be given directly or hidden in food or a soft treat. For dogs and cats, the guideline is 0.5g per 10 to 20 lbs of body weight twice daily, or as directed by your veterinarian. For horses, the guideline is 10 to 20g twice daily as a top dressing on feed, or as directed by your veterinarian. No contraindications or warnings are listed. May be used as needed for up to 6 months, or in combination with conventional medication for 1 to 3 months, or as directed by your veterinarian. Your authorizing veterinarian will confirm the appropriate dose and duration for your animal.
In TCVM theory, the salty taste of Hai Zao (sargassum) and Kun Bu (laminaria) corresponds directly to their nodule-softening and hardness-dissipating action: classical TCVM materia medica texts state that salty substances soften hardness, and both herbs are classified among the chief salty-natured herbs for softening and dissipating Phlegm-accumulation-type nodular masses. This classical TCVM understanding aligns with the modern pharmacological recognition that both herbs contain significant iodine, which is required for thyroid hormone synthesis; iodine deficiency is a primary cause of goiter (thyroid gland enlargement) in mammals, and the iodine content of Hai Zao and Kun Bu has been recognized as contributing to their classical efficacy for goiter and thyroid-related enlargements. Fucoidan polysaccharides from both herbs have been studied for immunomodulatory and anti-inflammatory activity that may contribute to the formula's enlargement-reducing clinical effects through additional mechanisms beyond iodine supplementation. Because of their significant iodine content, Hai Zao and Kun Bu should be used under veterinary supervision with thyroid hormone monitoring in animals with known thyroid conditions or on thyroid medications, or as directed by your veterinarian.
Si Hai Formula is distinguished from other Liver Qi stagnation formulas in the Jing Tang line by its specific focus on Phlegm-Qi condensation producing tangible nodular accumulations or glandular enlargement, and by its inclusion of two iodine-rich marine herbs (Hai Zao, Kun Bu) and a mineral herb (Mu Li) that provide the formula's nodule-softening and hardness-dissipating action. Most Liver Qi stagnation formulas in TCVM address intangible Qi stagnation manifesting as functional presentations without tangible accumulations; Si Hai Formula is specifically appropriate when the Liver Qi stagnation has progressed to the point where Phlegm-Qi condensation has produced a tangible nodular or glandular accumulation that requires the classical salty and softening action of marine herbs to dissipate. It is most specifically appropriate for presentations with palpable or imaging-confirmed glandular enlargement or nodular accumulation associated with the TCVM Liver Qi stagnation and Phlegm condensation pattern. Your authorizing veterinarian will determine whether this formula is appropriate based on your animal's specific TCVM pattern diagnosis, physical examination findings, and relevant diagnostic testing, or as directed by your veterinarian.
Can this be taken along with western hypothyroid pills? My girl can only taken the thyroid pill at a half a dose every other day or else it triggers seizures. It's not a high enough dose to do anything.I would like to slowly work her on this and off the other. My vet here in Florida, Mitie Vargs has already sent us the herbss.
Thank you for your question! We hope your pet feels better very soon and we appreciate you trying out Chinese herbs. The manufacturer of this formula, Jing Tang, states Si Hai Formula can be used as needed up to 6 months or used in combination with conventional medications for 1-3 months. Some veterinarians may use herbs differently than the standard manufacturer recommendations. We always recommend checking with your vet to make sure you're following their guidelines too. Thank you for supporting Traditional Chinese Veterinary Medicine!