Enhance your overall health when you take Natrol Biotin 10 000 mcg. Also known as vitamin B7 it supports many functions in the body at the cellular level. Biotin plays a key role in optimizing energy production by helping metabolize fats and amino acids. This important nutrient also aids in the production of fatty acids and cell reproduction. Additionally it supports healthy skin hair growth and stronger nails so you can look and feel your best. The Natrol biotin maximum strength comes in a 100-count bottle.