Active Ingredients: (Per Wafer) Glucosamine Hydrochloride (from Shellfish) – 500 mg, As Determined By Capillary Electrophoresis Methodology. Inactive Ingredients: Brewers Dried Yeast, Chicken Meal, Distillers Dried Grains with Solubles, Dried Cane Molasses, Dried Egg Product, Dried Skimmed Milk, Fish Meal, Ground Peanuts, Ground Whole Wheat, Malted Barley Flour, Poultry Fat (Preserved with Mixed Tocopherols and Citric Acid), Salt, Wheat Flour, Wheat Germ Meal. 3,213 kcal/kg, 77 kcal/biscuit