Purina Foods\' PURINA VETERINARY DIETSOM is a delicious & nutritionally complete diet, clinically proven to support effectual weight loss in cats. A low fat, low calorie diet, Feline OM is rich in protein, helping to promote lean muscle whilst encouraging steady, continued weight loss. The dry formula has the added benefit of combating bladder stones, a frequent problem in cats struggling with their weight.Its never too late to start trying to lose weight, and Feline OM is formulated with high levels of dietary fibre to help your cat to feel full & satisified at meal times, and is suitable for maintaining your pets weight, once it reaches a healthy level. Most importantly, Feline OM is mouth wateringly delicious to make sure the weight your furry friend loses stays lost!Please note, PURINA VETERINARY DIETS OM is not recommended for pregnant mums or growing kittens.Ingredients (dry formula): Maize gluten meal, wheat gluten meal, soya meal, dehydrated poultry protein, wheat flour, pea fibre, digest, animal fat, fish oil, yeast minerals.