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Biotin is a B complex vitamin .Biotin is essential to our health to help metabolize amino and fatty acid in our body, so we can efficiently use it for energy. Poor nutrition is one of the causes of biotin deficiency, and the earliest sign of biotin deficiency is hair breakage, hair loss, brittle nails, and dry skin.Biotin is a dietary supplement and not a wonder medicine that can miraculously give you healthy and shiny hair. Biotin may help with hair growth, but you also have to take care of your hair. Adopting a regular hair regimen, avoiding harsh chemicals and heat treatments
FDA recommends 35 mcg of Biotin for 19 years and older, which is fulfilled through normal diet.