Natural Balance Healthy Bones are yummy, nutritious treats made with a wholesome blend of high quality ingredients for a flavor dogs love. Each oven-baked biscuit contains lamb, quinoa, carrots, flaxseed, vitamin E and zinc. Quinoa is a unique grain full of 8 vital amino acids, and the carrots are an excellent source of beta carotene beneficial for vision. Healthy Bones are formulated with added flaxseed, which is an essential source of fiber that is high in fatty acids and works with the vitamin E and zinc to maintain optimum skin and coat health. For all dogs, from puppies to adults.