B-Complex 12B-Complex 12 contains an optimal balance of essential B vitamins with extra vitamin B12 & folate. Vitamin B12 & folate are necessary for normal red blood cell formation, tissue & cellular repair, homocysteine metabolism, & DNA synthesis. Thorne's B-Complex 12 supplies 300 mcg of adenosylcobalamin, 300 mcg of methylcobalamin, as well as 200 mcg of folinic acid, 200 mcg 5MTHF (both active forms of folate), & the bioactive forms of the other B vitamins in each capsule to ensure you get the most bioavailable B-complex available. Supplementing with active B vitamins is extremely important to everyone, especially individuals who may not be able to convert non-active vitamins to their active forms in the liver because of compromised liver function, poorly functioning enzymes, digestive disturbances, or age. Ingredients (Per One Capsule): Thiamine (as Thiamine HCl) 40 mg, Riboflavin (25 mg as Riboflavin & 3.6 mg as Riboflavin 5'-Phosphate) 28.6 mg, Niacin (as Niacinamide) 80 mg, Vitamin B6 (20 mg as Pyridoxine HCl & 3.4 mg as Pyridoxal 5'-Phosphate) 23.4 mg, Folate (200 mcg as Calcium Folinate & 200 mcg as 5-Methyltetrahydrofolate) 400 mcg, Vitamin B12 (300 mcg as Adenosylcobalamin & 300 mcg as Methylcobalamin) 600 mcg, Biotin 80 mcg, Pantothenic Acid (as Calcium Pantothenate) 45 mg, Choline Citrate 40 mg Other Ingredients: Hypromellose (derived from cellulose) capsule, Magnesium Citrate Laurate, Silicon Dioxide. Suggested Use: One capsule once to three times daily, or as otherwise directed by a health-care practitioner. This product does not contain wheat, gluten, corn, yeast, soy, egg, dairy products, or artificial colors, sweeteners, or flavors. This product also does not contain lactose, palmitic acid, or magnesium, calcium, or vegetable stearates. If pregnant, consult your health-care practitioner before using this product.