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Pro Plan Veterinary Diets

Pro Plan Veterinary Diets Purina OM Overweight Management Canine Formula Dry Dog Food

  • Veterinary Diet
  • Veterinary Diet
  • Bag
  • 1
4.6/ 5 on Amazon111Amazon ratings100+bought last month4.0ProductDome score
Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYour veterinarian has recommended a prescription weight-management diet for your dog

A vet-directed prescription formula for canine weight loss, built around a high protein-to-calorie ratio, added fiber and L-carnitine, in a 25-pound bag.

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ProductDome scorecard

How it ranks among the 50 veterinary diets we track

4.0/ 5ProductDome scoreMedium confidence
Owner satisfaction · 56% of scorecategory median 4.6★4.6

4.6★ across 111 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 291 ratings2.6

111 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score2.7

100+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 50 veterinary diets we track - how the scorecard works · full veterinary diets data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Pro Plan Veterinary Diets OM is a prescription dry dog food formulated for weight control and weight loss, sold in a 25-pound chicken-flavor bag. It combines a high protein-to-calorie ratio with L-carnitine and isoflavones, and is positioned by Purina as a veterinary diet rather than an over-the-counter formula.

Being a prescription veterinary diet means this is meant to be used under a vet's direction rather than picked up as a general weight-management food, and the listing itself labels it Prescription for weight control, weight loss, high fiber, high protein, low calorie and low fat. L-carnitine is included for its role in fat metabolism, while natural fiber is added for satiety so dogs feel fuller on fewer calories. Purina also notes urinary health support as part of the formula.

  • 25 lb bag, chicken flavor
  • Prescription weight control formula
  • High protein, low calorie, low fat
  • L-carnitine and isoflavones added

Who it's for

Dogs under veterinary supervision for a weight management program, across all breed sizes and life stages. Not intended as a general-purpose maintenance food for a dog without a vet-directed weight plan.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • High protein-to-calorie ratio to preserve muscle during weight loss
  • Added fiber for satiety on fewer calories
  • L-carnitine and isoflavones included for weight management
  • Also lists urinary health support
What to check first
  • Prescription diet, so it requires veterinary direction
  • Large 25 lb bag is a commitment before knowing if a dog takes to it

Performance notes

The high protein-to-calorie ratio is meant to preserve lean muscle while the dog is in a caloric deficit, rather than losing muscle along with fat. Added fiber increases fullness per calorie, and L-carnitine supports how the body metabolizes fat during weight loss.

Specifications

BrandPro Plan Veterinary Diets
Model00038100102485
Dimensions & fit
Item Weight25.3 pounds
Package Size Name25 lb. Bag
Dog Breed SizeAll
Capacity & performance
Age Range DescriptionAll Life Stages
Included components
Unit Count25 pounds
Other details
Animal Food Diet TypeVeterinary Diet
Container TypeBag
Number Of Items1
ManufacturerNestle Purina Veterinary Diets
Manufacturer Part Number00038100102485
Animal Food Nutrient Content ClaimHigh Protein
Model Number00038100102485
Specific Uses For ProductPrescription; Weight Control; Weight Loss; High Fiber, Prescription; Weight Control; Weight Loss; High-Protein, Prescription; Weight Control; Weight Loss; Low Calorie, Prescription; Weight Control; Weight Loss; Low Fat
OccasionBirthday
Target SpeciesDog
Product BenefitsHelps dogs lose weight while maintaining muscle
Upc038100102485
Customer Reviews{'ratings_count': '111', 'stars': '4.6'}
Additional FeaturesHigh protein-to-calorie ratio, natural fiber for satiety, isoflavones for weight management, urinary health support
Breed RecommendationAll Breed Sizes
Recommended Uses For ProductWeight Control, Weight Loss, High-Protein Diet
Allergen InformationAllergen-Free
Item FormPellet
AsinB0CX5PB2ZJ
Special IngredientsL-Carnitine, Isoflavones
Best Sellers Rank#29,598 in Pet Supplies (See Top 100 in Pet Supplies) #53 in Veterinary Diet Dog Food
FlavorChicken

How it compares

This product against the closest alternatives we track in veterinary diets.

ProductAmazon ratingRatingsProductDome score
Pro Plan Veterinary Diets Purina OM Overweight Management Canine Formula Dry Dog FoodThis product4.6 / 51114.0 / 5
Hill's Prescription Diet c/d Multicare Urinary Care Dry Dog FoodHill's4.7 / 52,2004.4 / 5
Royal Canin Veterinary Diet Canine Hepatic Adult Dry Dog FoodROYAL4.7 / 55384.1 / 5
Blue Buffalo Natural Veterinary Diet KS Kidney Support Dry Dog FoodBlue4.2 / 54133.8 / 5
Hill's Prescription Diet i/d Low Fat Digestive Care Dry Dog FoodHill's4.7 / 52,0004.4 / 5
Frequently asked

Questions about the Pro Plan Veterinary Diets 00038100102485

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Do I need a prescription to buy Pro Plan Veterinary Diets OM?

It is formulated as a prescription veterinary diet, so it is meant to be used under veterinary direction.

What is the bag size?

25 pounds.

What is L-carnitine included for in this formula?

It supports fat metabolism as part of the weight management formula.