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April 27, 2016Reviewer: Cynthia in New Jersey* I have been using this for a while. My hair and nails are both stronger now. Great investment!This review is specific to Biotin, 1000 mcg
August 03, 2012Reviewer: Mary Beth in California* Excellent support for energy. It absorbs no problem- no aftertaste.This review is specific to Biotin, 5000 mcg