Biotin N105 Biotin is a member of the B group of vitamins & helps maintain healthy skin hair & nails. It is essential for the metabolism of fats & protein. Recommended Intake One tablet daily as a food supplement. What does it do Biotin is watersoluble. It has various functions in your body It participates in the metabolism of fat carbohydrates & certain amino acids It helps to produce & store energy It works alongside the hormone insulin to help control blood s