Purina Pro Plan vs Hill's Science Diet
The two most veterinarian-recommended dog food brands compared. Both are backed by extensive research—we break down the differences to help you choose.
At a Glance
| Metric | Purina Pro Plan | Hill's Science Diet |
|---|---|---|
| Products Available | 190+ | 170+ |
| Average Rating | 4.66/5 | 4.65/5 |
| Total Reviews | 85,000+ | 65,000+ |
| Parent Company | Nestlé Purina | Hill's Pet Nutrition (Colgate) |
| Price Range | $$-$$$ | $$$-$$$$ |
| Vet Recommended |
Purina Pro Plan
Backed by 90+ years of Purina research with over 500 scientists and nutritionists. Known for specialized formulas and live probiotics. One of the most recommended brands by veterinarians.
Product Lines:
- • Complete Essentials - Everyday nutrition
- • Sensitive Skin & Stomach - Digestive health
- • Sport - High-performance formulas
- • Veterinary Diets - Prescription options
- • Bright Mind - Cognitive support for seniors
Hill's Science Diet
Founded in 1939, Hill's pioneered veterinary therapeutic nutrition. Known for clinically proven formulas and the most extensive prescription diet line. Employs 220+ veterinarians and scientists.
Product Lines:
- • Science Diet - Everyday wellness
- • Science Diet Sensitive - Gentle formulas
- • Science Diet Perfect Weight - Weight management
- • Prescription Diet - Therapeutic nutrition
- • Bioactive Recipe - Premium ingredient line
Purina Pro Plan Pros
- Live probiotics in every formula
- Excellent value for quality
- Wide retail availability
- Strong Sport line for active dogs
Purina Pro Plan Cons
- Contains some by-products
- Some artificial colors in treats
- Corporate ownership concerns
Hill's Science Diet Pros
- Most extensive prescription line
- Clinically proven formulas
- Strong vet clinic presence
- Excellent for therapeutic needs
Hill's Science Diet Cons
- Higher price point
- Less flavor variety
- 2019 vitamin D recall
Top Purina Pro Plan Products
Top Hill's Science Diet Products
The Verdict
Both are excellent, vet-backed choices. Choose Purina Pro Plan if you want great value, live probiotics, or have an athletic dog. Choose Hill's Science Diet if your dog has specific health conditions requiring therapeutic nutrition or you prefer clinically proven formulas.
For dogs with medical conditions, Hill's Prescription Diet line is often the gold standard. For healthy dogs needing everyday nutrition, Purina Pro Plan offers comparable quality at a better price point.
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