Home/Medicines/Vitamin E
All medicines

Vitamin E

Fat-soluble vitamin / Antioxidant
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
4 available
Formulations
2

Mechanism of action

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

At a glance

Class
Fat-soluble vitamin / Antioxidant
Schedule
OTC
Storage
Below 25°C, protect from light

Dosing

🐕

Dog

Vitamin E deficiency, pansteatitis adjunct, dermatoses (discoid lupus), muscle disease
Dose
10–25 IU/kg
Route
PO
Frequency
SID to BID
Max dose
800 IU
Duration: 4–8 weeks or long-term for chronic conditions
🐈

Cat

Pansteatitis (yellow fat disease), hepatic lipidosis adjunct
Dose
10–75 IU/kg
Route
PO, IM
Frequency
SID
Max dose
400 IU
Duration: Until condition resolves; weeks to months
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 →

Formulations

💊

Capsule — 1

Strength
400 IU
Available in India
🧴

Oral solution — 1

Strength
100 IU/mL
Available in India

Storage

Below 25°C, protect from light

Safety

Use with caution

  • Concurrent anticoagulant therapy
    High-dose Vitamin E may impair platelet function

Adverse effects

Common
GI upset at high doses
Serious
Impaired coagulation at very high doses (rare)

Monitoring parameters

Serum Vitamin E levelsClinical responseCoagulation parameters if on anticoagulants
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 →

Interactions

No documented interactions.

Brands

International

Aquasol E
Various
Emcelle Tocopherol
Stuart Products

India

Evion
Merck India
E-Vitan
Intas

FAQs

Frequently asked questions

What is Vitamin E?
Vitamin E is a fat-soluble vitamin / antioxidant used in pets. Potent lipid-soluble antioxidant that protects cell membranes from oxidative damage by scavenging free radicals; modulates immune function and reduces inflammatory mediators
What is Vitamin E used for in pets?
Vitamin E is used in veterinary medicine for: Vitamin E deficiency, pansteatitis adjunct, dermatoses (discoid lupus), muscle disease; Pansteatitis (yellow fat disease), hepatic lipidosis adjunct.
What is the Vitamin E dose for dogs?
For dogs, Vitamin E is typically dosed as follows — Vitamin E deficiency, pansteatitis adjunct, dermatoses (discoid lupus), muscle disease: 10–25 IU/kg PO SID to BID. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Vitamin E dose for cats?
For cats, Vitamin E is typically dosed as follows — Pansteatitis (yellow fat disease), hepatic lipidosis adjunct: 10–75 IU/kg PO/IM SID. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What are the side effects of Vitamin E?
Common: GI upset at high doses. Serious (call your vet immediately): Impaired coagulation at very high doses (rare).
Does Vitamin E need a prescription?
Vitamin E is available over the counter. Even so, you should consult your veterinarian before giving any medication to your pet.
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 →

References

References

The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.

Textbooks & handbooks — 5

  • Plumb's Veterinary Drug Handbook
  • Withrow & MacEwen's Small Animal Clinical Oncology
  • Merck Veterinary Manual
  • NRC Nutrient Requirements of Dogs and Cats
  • Veterinary Pharmacology and Therapeutics (Riviere & Papich)

Clinical guidelines & consensus — 4

  • ASPCA Animal Poison Control Center Guidelines
  • AAHA Diabetes Management Guidelines
  • ASPCA Poison Control Guidelines
  • RECOVER CPR Guidelines

Journals & peer-reviewed studies — 2

  • EPIC Study (J Vet Intern Med 2016)
  • JVIM FAT CAT Study

Regulatory & approvals — 1

  • CDSCO Veterinary Drug Approval Registry (1969–2026)

Databases — 1

  • Washington State University VCPL MDR1 Database

Related medicines

Other medicines in the same class (Fat-soluble vitamin / Antioxidant).

Vitamin E (Alpha-Tocopherol)
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.
dogcat
Need help? 💬
Chat with us on WhatsApp