Royal Canin Ultra Light in Gravy helps reduce the calorie absorption of cats by as much as 19% to help limit weight gain and maintain a healthy weight bracket. The nutrients are also enriched with L-Carnitine to help support and stimulate healthy and fast-acting metabolism. Maintaining your cat at optimum weight for it's age and breed type is essential, but sometimes this can prove to be quite difficult. However, you don't have to reduce it's food intake to help manage your cat's weight, as long as what you feed it is tailored to it's specific requirements.