NOW Zinc Picolinate 50 mg supports immune function, healthy skin, and overall cellular health with a highly absorbable form of zinc. This essential mineral plays a vital role in the proper functioning of the skeletal, immune, neurological, and endocrine systems. It acts as a cofactor for hundreds of enzymatic reactions involved in protein and carbohydrate metabolism, RNA/DNA synthesis, and intercellular signaling. Zinc also contributes to antioxidant defense by helping neutralize free radicals, supporting healthy aging and overall wellbeing. This vegetarian, non-GMO supplement is kosher, and produced under GMP quality standards by the family-owned NOW brand since 1968.