Thorne’s Biotin-8 provides 8mg of water-soluble B7. This nutrient is essential in fat and carbohydrate metabolism. More specifically, it has been clinically shown to help the pancreas improve insulin regulation, as well as aid in sugar uptake by the muscle cells. It is also clinically proven to strengthen brittle nails. Take 1-2 capsules per day, or as recommended by a health practitioner.