About this item IMMUNE SUPPORT*/HIGHLY BIOAVAILABLE FORM: A form of zinc complexed with the amino acid methionine. SUPPORTS ENZYME FUNCTION*/WITH COPPER: Take 1 capsule daily. CLASSIFICATIONS/CERTIFICATIONS: Vegan, Soy Free, Kosher, Non-GMO GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968. During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.