PRO PLAN® VETERINARY DIETS Feline OM Obesity Management Dry Cat Food

A complete dry cat food clinically proven to be an effective solution for weight loss in overweight or obese cats, and to help maintain optimal body weight in adult cats. Formulated with low energy level and high levels of protein to promote loss of fаt while maintaining lean body mass. It also contains high levels of natural fibre, to help cats feel full and satisfied. It is highly palatable and low in calories to help with weight loss. 
It can also be fed long term to help your cat maintain optimal body weight after weight loss and reduce the risk of rebound obesity.
It is proven to help minimise the occurrence of struvite and calcium oxаlate urinary stones, which can occur more commonly in overweight cats.

It is not suitable for growth or reproduction, or for conditions associated with high energy demands.

Please note that all indications for Purina Veterinary Diets mentioned on this website are for the dietary support of the cat with the listed condition. The veterinary diets should be used under veterinary supervision.

Where to buy
This highly palatable formula has been developed to promote weight loss. It can also be fed in the long term to help your cat maintain a healthy body weight. The diet is not suitable for cats needing a higher calorie intake, such as pregnant queens or growing kittens.
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High Protein level

to help promote loss of body fat while maintaining muscle mass
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Low calorie diet

to help with weight loss
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Helps minimise occurrence of struvite and calcium oxalate urinary stones

can occur more commonly in Overweight cats

Helps maintain optimal body weight after weight loss

The same diet can be fed for maintenance to reduce the risk of rebound obesity

Helps support joint health which is commonly compromised in obese cats

Enriched with natural sources of glycosaminoglycans (GAGs) and omega-3 fatty acids

Feeding Guidelines

See table. 

Body weight (kg) Dry only (g/day) Wet only (pouches/day) Dry + wet combined
Dry (g/day) Wet (pouches/day)
4 55 3 40 1
5 70 4 35 2
6 85 4.5 30 3
7 100 5.5 45 3
8 115 6 60 3

Body weight (kg) Dry only (g/day) Wet only (pouches/day) Dry + wet combined
Dry (g/day) Wet (pouches/day)
4 60 4 25 2
5 75 5 40 2
6 90 6 35 3
7 105 6.5 50 3
8 120 7.5 65 3

It is recommended that a veterinarian’s opinion be sought before use or before extending the period of use. Water should always be available. 1 pouch = 20 g of Feline OM Dry. Mixed feeding guides are validated only for mixing Feline OM dry and wet.

The suggested daily food intake for weight loss is based on the cat’s current weight, average caloric requirements and a desired safe weight loss of 1% body weight per week. Daily food intake must be adjusted according to response and generally every 4 weeks.

PURINA® PRO PLAN® VETERINARY DIETS OM St/Ox Obesity Management™ must be fed until target body weight is achieved. Feline OM St/Ox Obesity Management can be fed long-term for cats prone to gain weight using the maintenance feeding quantities.

Wheat gluten meal, maize gluten meal, soya meal, dehydrated poultry protein, wheat flour, pea fiber, digest, cellulose, soya protein, minerals, animal fat, fish oil, yeast.



Key nutrient values* Dry
Moisture 6.5%
Protein 48%
Fat 8%
Omega 6 -fatty acids 1.07%
Omega 3- fatty acids 0.3%
Carbohydrates 22%
Crude fibre 7.5%
Taurine 1000 mg/kg
Vitamin E 550 UI/kg
Metabolisable energy (ME)1 343 kcal/100g

* Typical analysis in the final product as fed. 

1 Calculated following NRC 2006 equations.


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