Manganese 50 mg by Solaray is a full range Amino Acid Chelate in a special herb base.Manganese is needed for healthy skin, bone, and cartilage formation, as well as glucose tolerance. Manganese also helps activate superoxide dismutase (SOD)?an important antioxidant enzyme.Individuals with osteoporosis sometimes have low blood levels of manganese, suggestive of deficiency.Ingredients - per capsule: Manganese (as Manganese Amino Acid Chelate) 50 mgOther Ingredients: Whole rice concentrate (including bran, germ and polishings), gelatin (capsule), magnesium stearate, Watercress (aerial), Parsley (leaf) and beet root