A member asked:

I am almost 6 months pregnant and just now noticed my vitamin has 1000mcg of biotin. is this a safe amount to take? also is biotin water soluble and will my body excrete what i don't need?

2 doctors weighed in across 2 answers
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

You do not need to take extra supplement of biotin (B7) if you are taking prenatal vitamin. However, biotin is water soluble so it does not cause toxicity, especially with 1,000 mcg a day on top of the amount in prenatal vitamin. Biotin deficiency is uncommon during pregnancy so taking prenatal vitamin is more than enough.

Answered 6/13/2022

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Your prenatal vitamin shouldn't contain more than ,30 mcg of biotin, if any. It interferes with the lab testing og the pregnancy hormone, hCG, the hormone, TSH used to determine thyroid status as well as other lab tests. It is not otherwise harmful,though.

Answered 6/13/2022

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