Victor Purpose Performance Formula Dry Dog Food, 40 lb. This nutrient-dense formula has glucosamine and chondroitin forlong-term joint health in adult and large breed dogs. It also promotes stamina and endurance with sustained energy. Made with gluten-free grains, VICTOR Purpose Performance Formula Dry Dog Food is an excellent choice for sporting paw-tnersand those with high physical demands. Sourced and Made in the USA. Composed of 81% meat protein with premium-quality beef, chicken and pork meals. Fortified with vitamins, minerals, essential fatty acids, protein and amino acids. Unique VPRO Blend promotes superior digestibility and immune system function.