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 the daily use of chewable synovi G4 joint supplement for dogs. 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. The NASC quality seal identifies products from companies that are committed to quality vigilance and continuous improvement to promote the well-being of companion animals and horses. The quality seal program is central to the NASC s efforts to help elevate and standardize the animal health supplement industry.