Manganese Bisglycinate contains well-absorbed manganese, which is necessary for the body’s antioxidant SOD (Superoxide Dismutase). It also provides support for ligaments, tendons, joints, and muscles. is an essential component of healthy carbohydrate metabolism, reproductive function, and skeletal and cartilage development. Manganese Bisglycinate is an essential component of healthy carbohydrate metabolism, reproductive function, and skeletal and cartilage development.