Our dog vitamins and mineral content with protein base are superior to similar products sold through veterinarians. Happy Jack Vita-Tabs dog vitamins are also smaller and taste better for convenient feeding right from your hand. They are liver flavored, chewable tablets for canines and cats that meet or exceed all daily requirements of most dog vitamins. They can help maintain flexibility, stimulate appetite and increases weight gain. We are committed to helping your pets live a healthier and longer life and so should you. Proper care will extend the life of your pet. Why not start with some Happy Jack dog vitamins.