Both zinc and copper are minerals required by the body for various functions. Some research shows that long term zinc supplementation can cause copper deficiency, and so should be supplemented together in a ratio of 15:1. G&G use chelated zinc in this zinc picolinate supplement. Vegan and kosher.DirectionsTake one capsule daily with a meal or as directed by a healthcare professional.IngredientsZinc picolinate, Copper gluconate, Alfalfa, Vegetable cellulose capsuleAllergen InformationVegetarian,Vegan,Certified Vegan,Kosher,Hypoallergenic,Additives,Dairy Free,Lactose Free,Egg Free,Lectins Free,Wheat Free,Soya Free,Nut Free,Yeast Free,Preservative Free,Sweet Free,Sugar Free,Artificial Flavours Free,Paraben Free,Alcohol Free,GM Free,No Added SugarSweeteners and AdditivesAlfalfa