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Vitamin E

What it’s good for
Vitamin E has anti-oxidant properties to protect cells from the harmful effects of free radicals, which therefore helps prevent diseases, boosts immune function, DNA repair and other metabolic processes.

Where to find it
Vegetable oils, nuts, green leafy vegetables, and fortified cereals.

How to take it
Although it is commonly recommended for adults to take 300 to 800 IU a day, many researchers think that 100 to 200 IU is enough and anything higher provides little nutritional value to the body.

Too much vitamin E can act as an anticoagulant in blood and may increase the risk of bleeding problems. Recent studies have also indicated taking too much vitamin E could raise the risk of death in elderly people who have existing medical conditions.