Douglas Laboratories B Complex supports energy production and metabolism of proteins, carbohydrates, and lipids. They are also important for function of blood cells, nervous system, and hormones. B vitamins are water soluble and are not stored in the body in significant amounts, other than vitamin B-12, so daily intake of B vitamins is necessary. Recommended use: Take 1 capsule, 1-2 times daily with meals, or as directed by a healthcare professional.Douglas Laboratories B-Complex Facts: 1 Vegetarian capsule contains: Thiamin (vitamin B1, as thiamine HCl) 100 mg Riboflavin (as vitamin B2 and 60% riboflavin 5' phosphate) 12.7 mg Niacin (vitamin B3, as niacinamide and inositol hexaniacinate) 108 mg Vitamin B6 (as pyridoxine HCl and 40% pyridoxal 5' phosphate) 16.7 mg Folate (as Metafolin, L-5-MTHF) 667 mcg DFE (400 mcg L-5-MTHF) Vitamin B12 (as methylcobalamin) 400 mcg Biotin 400 mcg Pantothenic acid (B5, as calcium panthothenate)100 mg Other Ingredients: Hydroxypropyl methylcellulose (capsule), ascorbyl palmitate