Alzheimers Home > Vitamin E Supplements

Vitamin E is a fat-soluble vitamin claimed to work for a variety of conditions, based mostly on its ability to help prevent the formation of free radicals. Free radicals play a role in various age-related conditions, such as cancer and heart disease.
There are eight different types of this vitamin, some of which are more active than others (the natural form is said to be about twice as active as the synthetic form). In addition to being available in supplement form, vitamin E is found in food.
In recent years, there has been some concern that high doses of the supplement may actually cause more harm than good. Side effects of vitamin E supplements may include:
  • Intestinal cramping
  • Diarrhea
  • Nausea.
(For more information on why people take these supplements, as well as what to discuss with your healthcare provider before taking them, click Vitamin E.)
Written by/reviewed by:
Last reviewed by: Arthur Schoenstadt, MD
Last updated/reviewed:
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