R/d is clinically proven nutrition for healthy weight loss in just 4 weeks. Even a little extra weight can impact the pet's quality of life and relationship with family because that extra weight can reduce play time, impact mobility and affect the lifelong general health of your cat. Hill's nutritionists & veterinarians developed Prescription Diet r/d clinical nutrition specially formulated to support cats' weight loss. Made with chicken this dry food and has an irresistible taste that your cat will love. Recommended for: Weight loss. Diabetes in obese cats. Constipation (motility present). Fibre responsive enteropathies (large bowel diarrhoea). Not Recommended for: Growing kittens. Pregnant or nursing cats. Patients with concurrent use of urinary acidifiers, moderate to advanced heart failure, kidney disease, dehydration, underweight, hepatic disease, debilitation or hypermetabolism. SIZES Available in: Dry 1.5kg, 3kg and 5kg Wet 24 x 156g KEY BENEFITS Clinically proven nutrition for healthy weight loss in just 1 month. Optimal blend of soluble & insoluble fibre helps your cat feel full and satisfied. Effective L-Carnitine levels help burn body fat and maintain lean muscle. Clinically proven antioxidant support a healthy immune system.