Biotin: It sounds like you need to take a biotin supplement. Biotin is a b vitamin that is found in leafy green vegetables and egg yolks (is destroyed when egg yolks are cooked). Biotin at a dose of 3000 mcg per day helps promote healthy hair, skin, and nails. If symptoms persist in spite of biotin supplementation, see you doctor for bloodwork including thorough evaluation of your thyroid.
Answered 9/8/2013
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