"REDUCED PROTEIN AND FAT - aiding the metabolic needs for older dogs HYPOALLERGENIC - formulated without the common allergens to dogs; beef, wheat, - soya and dairy PREBIOTICS - added prebiotics to help support your dogs digestive health GLUCOSAMINE, CHONDROITIN AND MSN - these are the building blocks for cartilage and joint fluid, supplementing these can all aid joint health OMEGA 3 - oils from salmon to benefit skin, coat, immune system and mental abilities in the older dogs. Vet's Kitchen Senior Salmon & Brown Rice is a complete dry food for dogs of 7 years +. This hypoallergenic recipe has been formulated to meet the needs of older dogs and contains lower levels of protein and fat and higher levels of joint supplements, compared with vet's Kitchen adult diets. To support older dogs it contains additional taurine for a healthy heart, L-Carnitine for lean muscle mass and Omega 3 for cognitive function. Having our own on-site first opinion veterinary practice we see hundreds of pets everyday. Our vets and nurses understand their health needs better than anyone so we take this knowledge and vet know-how and add it into every bag of Vet's Kitchen food."