21st Century B vitamins are interdependent upon each other and interrelated in function; they help convert food into energy and help maintain the nervous system and body tissues. Prolonged release vitamins slowly release nutrients into the body over an extended period of time. Thiamin (as Thiamin Mononitrate, Vitamin B-1), Riboflavin (Vitamin B-2), Niacin (as Niacinamide), Vitamin B-6 (as Pyridoxine HCl), Folate, Vitamin B-12 (as Cyanocobalamin), Biotin, Pantothenic Acid (as d-Calcium Pantothenate), Calcium (as Calcium Carbonate). Other Ingredients: Cellulose, Stearic Acid, Hydroxypropyl Methylcellulose, Silicon Dioxide. Contains <2% of: Dicalcium Phosphate, Ethylcellulose, Magnesium Silicate, Magnesium Stearate, Pharmaceutical Glaze, Polyethylene Glycol, Polysorbate.21st Century B vitamins are interdependent upon each other and interrelated in function; they help convert food into energy and help maintain the nervous system and body tissues. Prolonged release vitamins slowly release nutrients into the body over an extended period of time.Directions: As a vitamin supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage. Individual results may vary.Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken.