Dietary Supplement. With 7 key nutrients to help maintain healthy joints & bones. Just mix into your favorite beverage. Knox NutraJoint: The formula for flexibility. Gelatine: Provides building blocks for collagen - the chief structural protein in cartilage and bone. Joint Nutrients: Vitamin C and copper. Vitamin C is involved in cartilage formation. 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. No fish. (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.)