SquarePet VFS Active Joints Formula was formulated for dogs with special needs providing specially formulated to help dogs prone to joint issues. It is made with pride in the USA with trusted ingredients and was developed by SquarePet's team of certified veterinary nutritionists and veterinarian owner. This formula features all-natural sources of glucosamine and chondroitin which are the building blocks of healthy cartilage along with precise levels of Omega 3 Fatty Acids, DHA and EPA combine to support healthy joints. High quality animal-based protein and L-Carnitine support lean muscle mass and a toned body condition.