Vitamin E (alpha-tocopheryl succinate) — answers to vitamin E
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A fat-soluble vitamin and antioxidant. Alpha-tocopheryl succinate is a stabilized ester form of alpha-tocopherol, the type of vitamin E the body uses most readily, converted back to the active form after absorption.
Why it’s used
Taken to meet vitamin E requirements and, more often, in the hope that its antioxidant activity supports general health or protects against age-related and cardiovascular conditions.
What the evidence is for
correcting vitamin E deficiency.
What the evidence says
NIH ODS confirms vitamin E is essential and that supplementation corrects deficiency, which is rare in developed countries. Large trials looking at whether extra vitamin E prevents heart disease or cancer in people who are not deficient have generally found no benefit, and some found a higher risk of certain outcomes at high doses.
Dose studied
15–1000 mg — adult RDA up to the tolerable upper intake level, per NIH ODS.
Context
Deficiency-correction studies use amounts near the RDA; disease-prevention trials tested doses well above typical dietary intake and did not show the hoped-for benefit.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.