High Potency Dietary Supplement Vegetarian · Hypo-Allergenic Gluten Free Quality Natural SupplementsNutritional support for free-radical defense and overall well-being.Nature's Plus Zinc Picolinate is a true organically bound di-picolinate, which means that two molecules of picolinic acid are bound to each ion of zinc.Specially coated acid-resistant formula provides for the release of Zinc Picolinate in the small intestine.