If your older dog is starting to gain weight, Science Plan Canine Light can help. It has fewer calories and less fat to help dogs keep their weight down. As a daily maintenance diet, it provides great taste as well as the complete and balanced nutrition older dogs need. And the Superior Antioxidant Formula aids immunity. Science Plan Light Mature Adult/ Senior 7+ is low in calories and fat to help maintain the ideal weight of dogs seven years and older who tend to gain weight.(e.g. because they are inactive or neutered). Low-fat, high fibre formula keeps dogs trim and feeling full without reducing the size of their meals. Contains L-carnitine to help convert fat into energy and maintain lean body mass. Balanced nutrition and great taste for obesity-prone dogs. Contains Hill's Superior Antioxidant Formula of antioxidants to help support the immune system. Increased zinc and omega 3 and 6 fatty acids to promote a healthy skin and shiny coat, contains glucosamine and chondroitin sulphate from natural sources to help older dogs maintain healthy joints during ageing. Low phosphorus, low salt formula to help maintain healthy kidneys and a healthy heart.