NATURAL FACTORS - Manganese Chelate - 90 Tablet(s) - NPN: 02238397 -- Manganese is essential for healthy bone structure and bone metabolism, as well it metabolizes fats, proteins, and carbohydrates. It is known to be a powerful antioxidant which neutralizes damaging free radicals. Natural Factors Manganese Chelate is easily absorbed and free from artificial colours, sweeteners, dairy, wheat, and yeast.