Royal Canin Feline Obesity is a veterinary diet which tailored to facilitate weight loss in obese and overweight cats. The diet has a high protein content to reduce muscle mass lost during the dieting process. This also has the effect of increasing palatibility and reducing hunger pangs. The diet is also contains Glucosamine and Chondroitin to support the joints which can become worn in obese and overweight pets. Royal Canin Obesity Management is a veterinary diet tailored to effectively reduce weight in obese and overweight cats and should only be fed under the guidance of your veterinary surgeon.