Home/Medicines/Vitamin E (Alpha-Tocopherol)
All medicines

Vitamin E (Alpha-Tocopherol)

Fat-Soluble Vitamin / Antioxidant
Last reviewed 22 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
2 available
Formulations
3

Mechanism of action

Primary lipid-soluble antioxidant that intercalates into cell membranes, scavenging peroxyl radicals and protecting polyunsaturated fatty acids from oxidative damage. Also modulates immune function, gene expression, and platelet aggregation.

At a glance

Class
Fat-Soluble Vitamin / Antioxidant
Schedule
OTC
Storage
Store at room temperature, protect from light

Dosing

🐕

Dog

Used for immune-mediated skin disease (with omega-3 fatty acids), inflammatory m
Dose
10–20 IU/kg
Route
PO
Frequency
q12–24h
🐈

Cat

Feline pansteatitis (yellow fat disease) from all-fish diet requires vitamin E s
Dose
30–100 IU
Route
PO
Frequency
q24h

Formulations

💊

Other — 3

Strength
Strength
Strength

Storage

Store at room temperature, protect from light

Safety

Monitoring parameters

Clinical responseCoagulation if concurrent anticoagulantsNo routine monitoring needed at standard doses

Interactions

No documented interactions.

Brands

Other markets

Aquasol E
Various supplements

FAQs

Frequently asked questions

What is Vitamin E (Alpha-Tocopherol)?
Vitamin E (Alpha-Tocopherol) is a fat-soluble vitamin / antioxidant used in pets. Primary lipid-soluble antioxidant that intercalates into cell membranes, scavenging peroxyl radicals and protecting polyunsaturated fatty acids from oxidative damage. Also modulates immune function, gene expression, and platelet aggregation.
What is Vitamin E (Alpha-Tocopherol) used for in pets?
Vitamin E (Alpha-Tocopherol) is used in veterinary medicine for: Used for immune-mediated skin disease (with omega-3 fatty acids), inflammatory m; Feline pansteatitis (yellow fat disease) from all-fish diet requires vitamin E s.
What is the Vitamin E (Alpha-Tocopherol) dose for dogs?
For dogs, Vitamin E (Alpha-Tocopherol) is typically dosed as follows — Used for immune-mediated skin disease (with omega-3 fatty acids), inflammatory m: 10–20 IU/kg PO q12–24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Vitamin E (Alpha-Tocopherol) dose for cats?
For cats, Vitamin E (Alpha-Tocopherol) is typically dosed as follows — Feline pansteatitis (yellow fat disease) from all-fish diet requires vitamin E s: 30–100 IU PO q24h. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Vitamin E (Alpha-Tocopherol) need a prescription?
Vitamin E (Alpha-Tocopherol) 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 →

Related medicines

Other medicines in the same class (Fat-Soluble Vitamin / Antioxidant).

Vitamin E
Potent lipid-soluble antioxidant that protects cell membranes from oxidative damage by scavenging free radicals; modulates immune function and reduces inflammatory mediators
dogcat