Fully active B complex contains all eight important B Vitamins, a full spectrum designed for optimal absorption and utilization to support overall health and well-being. Water soluble B vitamins play important roles in cell metabolism, supporting DNA, organs, genes, cells, tissues, skin health, immune system, enzyme functions and energy production. Quatrefolic is the glucosamine salt of (6S)-5-metIngredients:Supplement FactsServing Size:1 Veggie CapsuleAmount Per Serving%Daily ValueVitamin C (as ascorbic acid)40 mg44%Thiamin (as thiamin HCI)60 mg5000%Riboflavin (as riboflavin and riboflavin-5-phosphate)75 mg5769%Niacin (as niacinamide and niacin)50 mg313%Vitamin B6 (as pyridoxine HCI and pyridoxal-5-phosphate)50 mg2941%Folate (as (6S)-5-methyltetrahydrofolic acid, glucosamine salt) (Quatrefolic)400 mcg DFE100%Vitamin B12 (as methylcobalamin)1000 mcg41667%Biotin600 mcg2000%Pantothenic acid (from d-calcium pantothenate)100 mg2000%Other Ingredients: Hypromellose (vegetarian capsule), microcrystalline cellulose, magnesium stearate (vegetable source), silicon dioxide.