Purina Overweight Management OM Dog Food (12 13.3-oz cans) Purina Veterinary Diets OM Overweight Management canine formulas provide complete and balanced nutrition for safe and effective weight loss and weight maintenance It's low in calories and fat which helps promote weight loss and it's also high in protein so that your pup keeps lean body mass Purina Pro Plan Veterinary Diets OM has been specifically formulated to help your dog loose extra weight while maintaining muscle mass. This highly palatable food has been designed for dogs that suffer from obesity, constipation, fiber responsive colitis, hyperlipidemia, and diabetes Safe & Effective Weight Loss & Weight Maintenance