PrimerPlus™ contains nutrients that support general health and wellbeing, and help reduce free radical damage to body cells. Pyridoxine helps the synthesis of neurotransmitters and maintains nervous system function and health. Zinc maintains cognitive function in healthy adults, maintains healthy eyesight and assists protein synthesis in the body. Pyridoxine and zinc also help the metabolism of carbohydrates and proteins. Manganese assists collagen and connective tissue formation.