Every treat contains 300 mg of Glucosamine and 50 mg of Chondroitin, plus essential co-factors to maximize absorption. And if that ingredient list doesn't have your dog salivating just yet, the fresh blueberries, apples, carrots and ground flax seed should do the trick. Zuke's Hip Action can also be fed to younger dogs to help prevent hip problems before they start. Feed Hip Action and Fuel the Love. Ingredients: Beef, Ground Rice, Ground Oats, Malted Barley, Gelatin, Maple Syrup, Vegetable Glycerin, Glucosamine Hydrochloride, Fresh Apples, Fresh Carrots, Canola Oil, Ground Flax Seed, Fresh Blueberries, Lecithin, Salt, Phosphoric Acid (a natural acidifier), Garlic Powder, Sorbic Acid (a preservative), Chondroitin Sulfate, Ascorbic Acid (Vitamin C), Manganese Sulfate, Zinc Sulfate, Sodium Selenite.