Save 20% on your first automatic shipment and 5% on subsequent orders. No promo code required!

Save 20% on your first automatic shipment with promo code 2024AUTO

OM Overweight Management Feline Formula

Purina® Pro Plan® Veterinary Diets

Product availability will be displayed at checkout.

Delivered in 3-4 business days after prescription approval


Vet-recommended items to complement your pet's diet:

Any add-ons added to your cart won't be part of the automatic shipment of the main product.


For overweight or obese cats, Purina Pro Plan Veterinary Diets OM Overweight Management Feline Formulas have been specially formulated to help cats lose weight while maintaining muscle, and support a healthy urinary system. The science behind our therapeutic diets represents a collaboration between Purina nutritionists, researchers and veterinarians.

  • Low in fat and calories
  • High protein-to-calorie ratio promotes loss of body fat while helping maintain lean body mass
  • Contains natural fiber to help contribute to satiety
  • Available in dry and canned (loaf and Savory Selects) to meet your cat's preference and help with weight loss success
  • May be fed for weight loss or weight maintenance
  • St/Ox Defense: This diet promotes a urinary environment unfavorable to the development of both struvite and calcium oxalate crystals
  • Contains antioxidants 
  • Great taste


Corn gluten meal, wheat gluten, soybean meal, poultry by-product meal, oat hulls, soy protein isolate, brewers rice, animal fat preserved with mixed-tocopherols, fish meal, powdered cellulose, animal liver flavor, phosphoric acid, calcium carbonate, L-Lysine monohydrochloride, potassium chloride, choline chloride, salt, Vitamin E supplement, taurine, zinc sulfate, ferrous sulfate, L-Carnitine, niacin (Vitamin B-3), L-ascorbyl-2-polyphosphate (Vitamin C), thiamine mononitrate (Vitamin B-1), manganese sulfate, Vitamin A supplement, calcium pantothenate (Vitamin B-5), riboflavin supplement (Vitamin B-2), copper sulfate, Vitamin B-12 supplement, pyridoxine hydrochloride (Vitamin B-6), folic acid (Vitamin B-9), Vitamin D-3 supplement, biotin (Vitamin B-7), calcium iodate, menadione sodium bisulfite complex (Vitamin K), sodium selenite.    D256622

Guaranteed Analysis

Crude Protein (Min) 50.0%
Crude Fat (Min) 8.0%
Crude Fat (Max) 10.0%
Crude Fiber (Max) 9.0%
Moisture (Max) 12.0%
Ash (Max) 8.2%
Calcium (Ca) (Min) 0.9%
Phosphorous (P) (Min) 0.85%

Manufactured by: Nestlé Purina PetCare Company, St. Louis, MO 63164 USA

Feeding Instructions

Pro Plan Veterinary Diets OM Overweight Management Feline Formula is formulated to meet the nutritional levels established by the AAFCO Cat Food Nutrient Profiles for maintenance of adult cats.

For additional information about this diet, consult your veterinarian.


Body Weight  Weight Maintenance Weight Loss
lbs  kg  cups  grams  cups  grams 
6 - 8  2.7 - 3.6  1/2 to 3/4  44 - 66  3/8 to 1/2  33 - 44
9 - 12  4.1 - 5.4  3/4 to 1-1/8  66 - 99  1/2 to 3/4  44 - 66
13 - 16  5.9 - 7.3  1-1/8 to 1-3/4  99 - 121  3/4 to 7/8  66 - 77
17 - 20  7.7 - 9.1  1-1/2 to 1-3/4  132 - 154  1 to 1-1/8  88 - 99
21 - 25  9.5 - 11.3  1-7/8 to 2-1/4  166 - 199  1-1/4 to 1-1/2  110 - 132 

Using a standard 8 oz fluid measuring cup which contains approximately 88 g of OM Overweight Management Feline Formula.

The above feeding program is recommended as a guideline only, with discretionary clinical adjustments for proper weight loss or maintenance. With your veterinarian’s approval, offer increasing amounts of the new food with decreasing amounts of the old food.

Provide adequate fresh water in a clean container daily. For your pet’s health, see your veterinarian regularly.

6 lb = 30 cups
16 lb = 82 cups

What makes this food special? Purina scientists and veterinarians work continually to understand how nutrition can positively affect the health of pets with special conditions. Through proper dietary management, our goal is to help your pet lead an active, healthy life. Pro Plan Veterinary Diets OM Overweight Management Feline Formula offers optimal nutrition while meeting your adult cat's special needs:


3231 kcal/kg
285 kcal/cup