Zinc A.G. 20 mg 180 tabs by MetagenicsZinc A. G. provides zinc that is essential to many aspects of human health, especially the immune system. Unfortunately, mild zinc insufficiency may be prevalent even in modern industrialized countries which can make people vulnerable. Zinc A. G. is formulated for enhanced absorption to address zinc repletion. Promotes healthy immune function. Supports white blood cell and natural cell killer cell production. Supports enzymatic activity associated