The Missing Link-Collagen Care Hips & Joints Soft Chew 60CtThese Hip & Joint soft chews are designed to help replace lost collagen in your dogs body that provide amino acids for bone strength and joint flexibility. Chondroitin, glucosamine and turmeric help maintain cartilage connective tissue, reduce age related joint discomfort, and promote a health inflammatory response. DOGS NEED COLLAGEN: 70% of a dogs skin and coat is made up of collagen, a primary protein. REPLACE LOST COLLAGEN: Dogs naturally lose