Question

If a vitamin taken in excess so how they are harmful

Answer 1

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Getting Too Much of Vitamins And Minerals. ... But routinely getting an overload of vitamins and minerals can hurt you. Too much vitamin C or zinc could cause nausea, diarrhea, and stomach cramps. Too much selenium could lead to hair loss, gastrointestinal upset, fatigue, and mild nerve damage.

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Answer 2

Answer:

vitamins are essential for our body working and growth.

as you know anything suits a body according to requirements.

Explanation:

so if there is deficiency in talking of vitamins ànd also if there excess of vitamins both will cause diseses