Why Biotin Supplements? Biotin is a co-enzyme and belongs to B Vitamin
family. Biotin helps support the production of fatty acids, and the
metabolism of fats, carbs, and protein. It is often used for healthy
hair, skin and nails. Some of the most popular strengths of Biotin
supplements are 5 MG (5000 mcg) and 1 MG (1000 MCG).