Nutro Adult Lite Lamb Meal & Rice Formula - 5 lbs Pet Supplies This low-calorie, high-fiber formula provides all of the nutrients overweight or less active dogs need  without the extra calories. Our reduced feeding guidelines provide optimal nutrition to help your dog lose weight for a lean body condition. eal Australian and New Zealand lamb meal and whole brown rice provide optimal nutrition without added ingredients that could cause digestive problems. 5 lb bag