Feeding: Feed up to one chew per day per 50 pounds of dog weight. Be sure your dog has access to plenty of fresh water. Not recommended for puppies without adult teeth. Natural with added vitamins & minerals. Gluten-free formula! Dogs love "em. No artificial preservatives. Highly digestible. Veterinarian recommended. With Vida Complex for health & wellness. Vida Complex contains: Antioxidants, vitamins, minerals, including calcium, no added sugar, no added salt. Gluten-free formula. Production powered in part by sustainable solar energy. USA made.