''B'' your best with Vitamin World''s high-quality B-Complex. The B Vitamins are made up of several essential nutrients that provide nourishment for the stress of daily living.** Each nutrient in the B Vitamin Complex performs a unique role in maintaining proper metabolic functioning and is essential for well being.** This product contains: 150 mg Thiamin (Vitamin B-1), 150 mg Riboflavin (Vitamin B-2), 150 mg Niacin, 100 mg Vitamin B-6, 400 mcg Folic Acid, 150 mcg Vitamin B-12, 150 mcg Biotin, 150 mg Pantothenic Acid, 150 mg Choline Bitartrate, 150 mg PABA, and 150 mg Inositol. See Supplement Facts for additional information.