DOGSWELL produces premium, functional jerky treats with baked in vitamins and supplements for dogs. VITALITY Beef Liver Jerky is made with all-natural beef liver and fortified with flaxseed oil and vitamins for healthy eyes, skin and coat. All DOGSWELL treats contain NO hormones, NO antibiotics, NO flour, NO wheat, NO corn, NO soy, NO byproducts, NO sugar, NO fillers, NO BHA / BHT, NO artificial flavors and NO added salt.