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Bu Fei San is a Jing Tang TCVM herbal formula recommended by holistic veterinarians to tonify Lung Qi and support normal breathing in dogs, cats, and horses. Based on Bu Fei Tang from Yong Lei Qian Fang (Everlasting Categorization of Seal Formulas), this eight-herb formula combines the primary Lung Qi-tonifying, astringent, descending, and channel-opening herbs of one of the classical respiratory Qi tonification formulas in the Chinese materia medica. Available in a 90g Concentrated Powder, 0.2g Capsules (50 count), 0.5g Capsules (100 count), and Teapills (200 count). No contraindications listed. Use as needed for up to 6 months. 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
Horse (90g Concentrated Powder): 3g (2.5 large scoops) twice daily, or as directed by your veterinarian. 1 level large scoop holds approximately 1.2g of powder. One 90g Concentrated Powder bottle lasts approximately 2 weeks.
Dog and Cat (90g Concentrated Powder): 0.1g to 0.25g per 10 to 20 lb body weight twice daily, or as directed by your veterinarian. 1 level small scoop holds approximately 0.3g of powder.
Dog and Cat (0.5g Capsules): One 0.5g capsule per 20 to 40 lb body weight twice daily, or as directed by your veterinarian.
Small Dog and Cat under 10 lbs (0.2g Capsules): One 0.2g capsule once daily, or as directed by your veterinarian.
Use as needed for up to 6 months, or as directed by your veterinarian. Veterinary authorization is required before use.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Active ingredients: Bai Guo (Ginkgo biloba) - Ginkgo seed, Dang Shen (Codonopsis pilosula) - Codonopsis root, Gan Cao (Glycyrrhiza uralensis) - Licorice root, Huang Qi (Astragalus membranaceus) - Astragalus root, Jie Geng (Platycodon grandiflorus) - Balloon Flower root, Wu Wei Zi (Schisandra chinensis) - Schisandra berry, Zi Su Zi (Perilla frutescens) - Perilla seed, Zi Wan (Aster tataricus) - Aster root. Inactive ingredients vary by format: gluten-free maltodextrin (concentrated powder); bovine gelatin and gluten-free maltodextrin (capsules); activated carbon, botanical wax, and talcum (teapills).
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Bu Fei San is an eight-herb formula combining the primary Lung Qi-tonifying, astringent, descending, and channel-opening herbs of the classical respiratory Qi tonification tradition into a comprehensive formula for Lung Qi deficiency with impaired breathing:
Bu Fei San contains Qi-tonifying herbs (Huang Qi, Dang Shen), Lung-astricting herbs (Wu Wei Zi, Bai Guo), a channel-opening herb (Jie Geng), Lung-moistening and descending herbs (Zi Wan, Zi Su Zi), and a harmonizing herb (Gan Cao) that may interact with certain medications. Bai Guo (Ginkgo seed) may interact with anticoagulant and antiplatelet medications; note that Ginkgo seed (Bai Guo) has a different interaction profile than standardized Ginkgo leaf extract. Gan Cao (Licorice root) may interact with diuretic and antihypertensive medications with long-term use. Pets on prescription medications should use this formula under veterinary supervision, as herb-drug interaction research in dogs, cats, and horses remains limited.
Medication categories warranting extra caution include anticoagulant or antiplatelet medications, antihypertensive medications, diuretic medications (with long-term Gan Cao use), and multiple concurrent prescription medications. Use as needed for up to 6 months, or as directed by your veterinarian. Your veterinarian can determine appropriateness based on the patient's condition, medications, and laboratory results.
VETERINARY AUTHORIZATION REQUIRED: Submit Your Authorization Request or Request a TCVM Telemedicine Consultation
Bu Fei San is used in TCVM for Lung Qi deficiency patterns characterized by weakness of the Lung's governing and descending functions, manifesting as weak or labored breathing, reduced respiratory capacity, chronic cough, breathlessness on exertion, and a general weakness of the Lung system. In TCVM, the Lung governs Qi and controls respiration, disperses and descends Qi throughout the body, regulates the water passages, and controls the skin and coat. Lung Qi deficiency impairs all of these functions, particularly the respiratory and Qi-governing roles. Bu Fei San addresses the Lung Qi deficiency root through tonification, supports the Lung's astringent function through Wu Wei Zi and Bai Guo, restores the Lung's descending function through Zi Su Zi, and opens the Lung channel through Jie Geng. The manufacturer lists no contraindications for this formula.
For horses, give 3g (2.5 large scoops) of concentrated powder twice daily, or as directed by your veterinarian. For dogs and cats using the 90g Concentrated Powder, give 0.1g to 0.25g per 10 to 20 lb body weight twice daily; the small scoop holds approximately 0.3g. For the 0.5g Capsule format, give one capsule per 20 to 40 lb body weight twice daily; for small dogs and cats under 10 lbs, give one 0.2g capsule once daily, or as directed by your veterinarian. Teapills can be hidden in food or a soft treat. Use as needed for up to 6 months, or as directed by your veterinarian.
Wu Wei Zi (Schisandra berry) and Bai Guo (Ginkgo seed) are the formula's two primary Lung-astricting herbs, and their inclusion reflects one of the most important principles in TCVM respiratory formula design: that Lung Qi deficiency requires both tonification to restore Qi and astringency to prevent the continued leakage of the Qi being restored. In TCVM, chronic Lung Qi deficiency allows Lung Qi to leak outward and upward rather than descending normally, generating breathlessness, spontaneous sweating, and chronic cough. Wu Wei Zi is the classical Lung-astricting herb par excellence - its sour flavor contracts the Lung, preventing further Qi leakage, while its five-flavor nature also nourishes Kidney Yin to support the Kidney's role in receiving Lung Qi. Bai Guo adds a complementary astricting and anti-wheeze action specifically targeting the wheezing and breathlessness component of Lung Qi deficiency, making the Wu Wei Zi and Bai Guo pair a classic combination for Lung astringency with respiratory support.
Bu Fei San is based on Bu Fei Tang from Yong Lei Qian Fang (Everlasting Categorization of Seal Formulas), a classical Chinese medicine text that compiled formulas organized by category and clinical application. The formula name translates literally as Tonify the Lung Powder (Bu = tonify, Fei = Lung, San = powder/disperse), directly describing its primary therapeutic strategy of tonifying the Lung through the combination of Qi-tonifying, Lung-astricting, channel-opening, and Qi-descending herbs. The classical Bu Fei Tang framework has been adapted in Jing Tang's Bu Fei San specifically for veterinary clinical use in dogs, cats, and horses, maintaining the core Lung Qi tonification strategy while selecting herbs and doses appropriate for companion animal and equine patients. Your veterinarian will determine whether this formula is appropriate for your pet's specific TCVM respiratory pattern.
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