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Taurine

Essential Amino Acid (Cats) / Conditionally Essential (Dogs)
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
1 available
Formulations
3

Mechanism of action

Sulfonic amino acid essential for myocardial function, retinal health, bile acid conjugation, and membrane stabilization. Cats cannot synthesize taurine (obligate dietary requirement). Some dog breeds (especially American Cocker Spaniels, Golden Retrievers) may develop deficiency-associated DCM.

At a glance

Class
Essential Amino Acid (Cats) / Conditionally Essential (Dogs)
Schedule
OTC
Storage
Store at room temperature in cool, dry place

Dosing

🐕

Dog

Supplementation for taurine-deficient DCM (check whole blood taurine levels — ta
Dose
500–1000 mg
Route
PO
Frequency
q8–12h
🐈

Cat

Taurine deficiency causes feline dilated cardiomyopathy and central retinal dege
Dose
250–500 mg
Route
PO
Frequency
q12h

Formulations

💊

Other — 3

Strength
Strength
Strength

Storage

Store at room temperature in cool, dry place

Safety

Monitoring parameters

Whole blood taurine levels (target >200 nmol/mL dogs; >300 nmol/mL cats)Echocardiogram (DCM response at 3–6 months)Retinal exam (cats)

Interactions

No documented interactions.

Brands

Other markets

Taurine Supplement

FAQs

Frequently asked questions

What is Taurine?
Taurine is a essential amino acid (cats) / conditionally essential (dogs) used in pets. Sulfonic amino acid essential for myocardial function, retinal health, bile acid conjugation, and membrane stabilization. Cats cannot synthesize taurine (obligate dietary requirement). Some dog breeds (especially American Cocker Spaniels, Golden Retrievers) may develop deficiency-associated DCM.
What is Taurine used for in pets?
Taurine is used in veterinary medicine for: Supplementation for taurine-deficient DCM (check whole blood taurine levels — ta; Taurine deficiency causes feline dilated cardiomyopathy and central retinal dege.
What is the Taurine dose for dogs?
For dogs, Taurine is typically dosed as follows — Supplementation for taurine-deficient DCM (check whole blood taurine levels — ta: 500–1000 mg PO q8–12h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Taurine dose for cats?
For cats, Taurine is typically dosed as follows — Taurine deficiency causes feline dilated cardiomyopathy and central retinal dege: 250–500 mg PO q12h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Taurine need a prescription?
Taurine is available over the counter. Even so, you should consult your veterinarian before giving any medication to your pet.

References

References

Textbooks & handbooks

  • Plumb, D.C. Plumb's Veterinary Drug Handbook. 10th ed., Wiley-Blackwell, 2023.
  • Vail, D.M., Thamm, D.H., & Liptak, J.M. (eds.). Withrow & MacEwen's Small Animal Clinical Oncology. 6th ed., Saunders/Elsevier, 2020.
  • Riviere, J.E., & Papich, M.G. (eds.). Veterinary Pharmacology and Therapeutics. 10th ed., Wiley-Blackwell, 2018.
  • National Research Council. Nutrient Requirements of Dogs and Cats. National Academies Press, Washington DC, 2006.
  • The Merck Veterinary Manual. Merck & Co., Online edition. https://www.merckvetmanual.com/

Clinical guidelines & consensus

  • Fletcher, D.J., Boller, M., Brainard, B.M., et al. "RECOVER Evidence and Knowledge Gap Analysis on Veterinary CPR." Journal of Veterinary Emergency and Critical Care, 2012;22(S1):S102–S131.
  • American Animal Hospital Association. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. AAHA Press.

Journals & peer-reviewed studies

  • Hogan, D.F., Fox, P.R., Jacob, K., et al. "Secondary prevention of cardiogenic arterial thromboembolism in the cat: The FAT CAT study." Journal of Veterinary Cardiology, 2015;17(Suppl 1):S306–S317.
  • Boswood, A., Häggström, J., Gordon, S.G., et al. "Effect of Pimobendan in Dogs with Preclinical Myxomatous Mitral Valve Disease and Cardiomegaly: The EPIC Study — A Randomized Clinical Trial." Journal of Veterinary Internal Medicine, 2016;30(6):1765–1779.
  • ASPCA Animal Poison Control Center. Toxicology and Poison Management Guidelines. American Society for the Prevention of Cruelty to Animals. https://www.aspca.org/pet-care/animal-poison-control

Regulatory & approvals

  • Central Drugs Standard Control Organisation (CDSCO), Government of India. Veterinary Drug Approval Registry, 1969–2026. Directorate General of Health Services. https://cdsco.gov.in/

Databases

  • Washington State University, College of Veterinary Medicine. Veterinary Clinical Pharmacology Laboratory (VCPL) — MDR1 Multidrug Sensitivity Database. https://vcpl.vetmed.wsu.edu/
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →