Getting older doesn't have to mean feeling older. Dogs as young as three years old can experience wear and tear on their joints and it often goes unnoticed. Help support your dog's ongoing joint health and mobility with Synovi G4 joint supplement soft chews. Synovi G4 is formulated on the established Synovi Matrix of joint health agents found in Synovi G3, which includes glucosamine, manganese and green-lipped mussel (a natural source of chondroitin), and is upgraded with the added antioxidant and joint health benefits of Boswellia serrata and turmeric. Synovi G4 carries the National Supplement Council (NASC) Quality Seal. The NASC is a highly regarded industry group that sets high standards for pet supplements, and only companies that meet their rigorous requirements and review process are able to display the Quality Seal.