Sundown Naturals High Potency B-100 Complex is a great way to get the B Vitamins you need in a single tablet dose. Just one tablet a day provides you with 100 mg each of Thiamin, Riboflavin, Niacin, B-6 and Pantothenic Acid, plus 100 mcg each of B-12 and Biotin. The B family of vitamins works together to aid in converting food into energy, and to support nervous system health. B-100 Complex also features a high-potency source of Folic Acid, an important vitamin for women, and cardiovascular health. These comprehensive tablets are specially formulated to provide a gradual release of B Vitamins over a prolonged period of time.