Dietary Supplement. Maximum strength formula. With gelatine and key joint nutrients. With calcium and key bone nutrients. Just mix into your favorite beverage. Knox NutraJoint with Glucosamine: The formula for flexibility. Glucosamine: Provides building blocks for glycosaminoglycans - the lubricating structure in cartilage. Gelatine: Provides building blocks for collagen - the chief structural protein in cartilage and bone. Joint Nutrients: Vitamin C and copper helps your body revitalize cartilage and lubricate joints. Bone Nutrients: Calcium, vitamin D, zinc, vitamin K and manganese supports bone health. An excellent source of calcium and other important nutrients. No artificial color, flavor or sweetener. No preservatives. No sugar. No starch. No milk. No lactose. No soy. No gluten. No wheat. No yeast. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)