Vitamins
Vitamin E
Also called: tocopherol, alpha-tocopherol, tocotrienol
A fat-soluble antioxidant vitamin.
- Why people take it
- Heart, skin, immunity, fatty liver.
- What the evidence says
- Did not prevent heart disease or cancer in large trials. May help a type of fatty liver (NASH) under a doctor.
- How it is usually taken
- Usually 15 to 400 IU a day; avoid long-term use of 400 IU or more. Found in nuts, seeds and vegetable oils.
- Be careful
- High doses raise bleeding risk, especially with blood thinners, and were linked to prostate cancer in one large trial.
- Medicines it can interact with
- High doses add to bleeding risk with warfarin, aspirin, clopidogrel and other blood thinners.
Other vitamins
Common questions
What is Vitamin E?
A fat-soluble antioxidant vitamin.
Why do people take Vitamin E?
Heart, skin, immunity, fatty liver.
Does Vitamin E work?
Did not prevent heart disease or cancer in large trials. May help a type of fatty liver (NASH) under a doctor.
How much Vitamin E do people take?
Usually 15 to 400 IU a day; avoid long-term use of 400 IU or more. Found in nuts, seeds and vegetable oils.
Is Vitamin E safe?
High doses raise bleeding risk, especially with blood thinners, and were linked to prostate cancer in one large trial.
Does Vitamin E interact with medicines?
High doses add to bleeding risk with warfarin, aspirin, clopidogrel and other blood thinners.
Sources and further reading
Last reviewed 31 October 2026. Written by Satya Babu.
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