Zinc 25mg is a single ingredient product, each hard capsule containing 25 mg of bioavailable zinc citrate dihydrate. Zinc supports immune system health and may assist in the prevention of zinc deficiency when dietary intake is inadequate. Zinc is an antioxidant and helps to reduce free radical damage to body cells. It aids protein synthesis in the body and supports skin integrity and wound healing. Zinc maintains nervous system function and supports cognitive function in healthy adults as well as supporting healthy vision and eye function. This single ingredient product contains 25 mg total elemental zinc.