AOR Advanced B Complex (90 capsules)Full spectrum B complex Active forms of B vitamins your body can readily use Balanced ratios and clinically supported doses Support for metabolism and red blood cell production Doesnt cause niacin flush Ingredients Serving Size: Three capsules Medicinal Ingredients: B1 Thiamin (benfotiamine) 100 mg, B2 (Riboflavin 5 phosphate sodium) 7. 5 mg, B3 (Niacin from 388 mg inositol hexanicotinate) 353 mg, B5 (Pantethine, calcium D pantothenate) 300 mg, B6