Purina Pro Plan Veterinary Diets OM Overweight Dry Dog Food 25 lb

Item Weight: 25.3 pounds
Package Size Name: 25 Lb. Bag
Animal Food Diet Type: Veterinary Diet
Allergen Information: Allergen-Free

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

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.

As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.

ASIN: B0CX5PB2ZJCategory: Veterinary Diets

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.

Pros and cons

Pros

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

Cons

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

Dimensions & fit
Brand	Pro Plan Veterinary Diets
Item Weight	25.3 poundshigher than 78% of 46 veterinary diets
Package Size Name	25 Lb. Bag
Dog Breed Size	All
Capacity & performance
Age Range Description	All Life Stages
Included components
Unit Count	25 pounds
Other details
Animal Food Diet Type	Veterinary Diet
Allergen Information	Allergen-Free
Item Form	Pellet
Flavor	Chicken
Special Ingredients	L-Carnitine, Isoflavones
Animal Food Nutrient Content Claim	High Protein
Breed Recommendation	All Breed Sizes
Container Type	Bag
Number Of Items	1
Specific Uses For Product	Prescription; 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
Target Species	Dog
Occasion	Birthday
Product Benefits	Helps dogs lose weight while maintaining muscle
Asin	B0CX5PB2ZJ
Best Sellers Rank	#29,598 In Pet Supplies (See Top 100 In Pet Supplies) #53 In Veterinary Diet Dog Food
Manufacturer	Nestle Purina Veterinary Diets
Upc	038100102485
Additional Features	High protein-to-calorie ratio, natural fiber for satiety, isoflavones for weight management, urinary health support
Recommended Uses For Product	Weight Control, Weight Loss, High-Protein Diet
Manufacturer Part Number	00038100102485
Model Number	00038100102485
Customer Reviews	{'ratings_count': '111', 'stars': '4.6'}