Does Biotin Work for Brittle Nails?
Biotin, also known as vitamin B7 or vitamin H, pops up in every supplement marketed for strengthening hair and nails. Do biotin supplements actually work for brittle nails? The answer is – it depends. Gah! Read on for the gory details… Are you getting enough biotin in your diet? Nutritional supplements generally only make a difference if you’re not getting …