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A member asked:

Can biotin 10,000 cause me to have headaches?

A doctor has provided 1 answer

Unknown: The RDA of biotin is 300 mcg. There are no known side effects of biotin at high doses, but there are no regulations for overseeing vitamins in this country so who knows what is actually in the particular pill you are taking.

Dr Altman and 7 doctors agreed

Answered 5/1/2016

2.7k views

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