You’re standing in the pet food aisle (or scrolling Amazon) staring at two bags. Both are vet-recommended. Both have “science” in their name. Both cost roughly the same. Both claim to be the best.
Hill’s Science Diet vs Purina Pro Plan — which one is actually better for YOUR cat?
I’m Dr. Allona Jackson, DVM, and at AvailPet.com, I get this question every single week. Cat owners are paralyzed by choice between these two premium brands. And here’s the truth: neither is universally “better.” They have different strengths, different formulations, and different ideal use cases.
In this best vet recommended cat food brand comparison, I’ll break down everything you need to know: ingredients, urinary health, sensitive stomach support, weight loss, skin and coat, price, palatability, and more. I’ll share my clinical experience with both brands and give you a clear decision framework.
Let’s settle the debate — Hill’s Science Diet vs Purina Pro Plan — once and for all.
📖 This article is part of our complete Hills Science Diet Cat Food guide. Read our individual reviews of Adult, Indoor, Perfect Weight, and Grain Free.
Quick Brand Overview
Before we dive into the details, let’s understand who these brands are.
| Factor | Hill’s Science Diet | Purina Pro Plan |
|---|---|---|
| Parent Company | Colgate-Palmolive | Nestlé Purina |
| Years in business | 80+ (founded 1939) | 90+ (Purina founded 1894, Pro Plan since 1986) |
| Veterinarian recommendation | #1 most recommended by US vets | Top 3 most recommended |
| Key philosophy | Precision nutrition, controlled minerals | High protein, live probiotics |
| Price range | $$-$$$ (mid-premium) | $-$$ (affordable premium) |
| Where to buy | Amazon, Chewy, Petco, Petsmart, vet clinics | Amazon, Chewy, Petco, Petsmart, grocery stores |
| Prescription line | Hill’s Prescription Diet | Purina Pro Plan Veterinary Diets |
Dr. Jackson’s take: “Both brands employ PhD nutritionists and conduct feeding trials. You can’t go wrong with either from a quality standpoint. The differences are in formulation philosophy — Hill’s focuses on controlled minerals and urinary health; Purina focuses on probiotics and palatability.”
Head-to-Head Comparison Table (Hill’s Science Diet vs Purina Pro Plan)
Use this table to find your winner at a glance:
| Category | Winner | Why |
|---|---|---|
| Urinary Health | 🏆 Hill’s | Controlled minerals, #1 for crystal prevention |
| Sensitive Stomach | 🏆 Purina | Live probiotics (FortiFlora) are clinically proven |
| Weight Loss | 🏆 Hill’s | L-Carnitine + satiety fiber (Perfect Weight) |
| Skin & Coat | 🤝 Tie | Both have omega-3/6; Hill’s has more research, Purina has more options |
| Palatability (Picky Eaters) | 🏆 Purina | Enhanced natural flavors, cats prefer Pro Plan in taste tests |
| Price Value | 🏆 Purina | Lower cost per pound across most formulas |
| Senior Cat Health | 🏆 Hill’s | Better kidney protection (controlled phosphorus) |
| Ingredient Transparency | 🤝 Tie | Both are transparent but use different ingredients |
| Grain-Free Options | 🤝 Tie | Both offer grain-free; neither is ideal for chicken allergy |
Detailed Category Comparison
Let’s dig into each category so you can make an informed decision for your specific cat.
Urinary Health — Winner: Hill’s Science Diet
This is Hill’s signature strength. If your cat has ever had a urinary crystal or blockage, pay close attention.
Why Hill’s wins:
| Feature | Hill’s Science Diet | Purina Pro Plan |
|---|---|---|
| Controlled minerals | ✅ Yes (magnesium, phosphorus, calcium specifically reduced) | ⚠️ Limited (not a primary focus of the brand) |
| Clinical studies for crystals | ✅ Decades of published research | ❌ No specific urinary health studies |
| Prescription urinary line | ✅ Hill’s c/d (industry gold standard) | ✅ Purina UR (also effective, but less prescribed) |
| pH management | ✅ Formulated to maintain ideal urinary pH | ⚠️ Standard pH, not specifically managed |
Dr. Jackson’s take: *”For cats with a history of urinary crystals, Hill’s Science Diet (or prescription c/d) is my #1 recommendation. The controlled mineral blend is unmatched in over-the-counter food. I’ve seen hundreds of cats stop forming crystals after switching to Hill’s. Purina Pro Plan is fine for prevention in healthy cats, but if your cat has already had a blockage, choose Hill’s without question.”*
👉 Shop Hill’s Science Diet Adult
Sensitive Stomach — Winner: Purina Pro Plan
Chronic soft stool, gas, or occasional vomiting? This is Purina’s territory.
Why Purina wins:
| Feature | Hill’s Science Diet | Purina Pro Plan |
|---|---|---|
| Probiotics | ❌ None (FOS prebiotic only — feeds existing bacteria) | ✅ Live probiotics (FortiFlora strain — adds new bacteria) |
| Highly digestible formula | ✅ Yes (Sensitive Stomach line) | ✅ Yes (Sensitive Skin & Stomach line) |
| Novel protein options | ⚠️ Limited (salmon + chicken in grain-free) | ✅ More options (salmon, turkey, lamb, duck) |
| Clinical gut health research | Moderate | Extensive (FortiFlora is heavily studied) |
Dr. Jackson’s take: “For chronic soft stool or gas, Purina Pro Plan’s live probiotics make a real difference. I’ve seen cats fail Hill’s Sensitive Stomach for months but thrive on Pro Plan with FortiFlora within 2 weeks. The science on probiotics for gut health is strong — live bacteria colonize the gut, while prebiotics only feed what’s already there. If your cat has a depleted microbiome, Purina is the better choice.”
👉 Shop Purina Pro Plan Sensitive Skin & Stomach
Weight Loss — Winner: Hill’s Science Diet
Overweight cats need more than just fewer calories — they need metabolic support.
Why Hill’s wins:
| Feature | Hill’s Perfect Weight | Purina Pro Plan Weight Management |
|---|---|---|
| L-Carnitine | ✅ Yes (preserves muscle while burning fat) | ✅ Yes (some formulas, lower dose) |
| Satiety fiber | ✅ Powdered cellulose (high effectiveness, keeps cat full) | ⚠️ Moderate fiber (less effective for begging) |
| Clinical weight loss claim | ✅ Visible results in 10 weeks | ❌ No specific weight loss claim |
| Vet recommendation for weight loss | #1 for overweight cats | Top 5 |
Dr. Jackson’s take: *”Hill’s Perfect Weight is the gold standard for over-the-counter weight loss. The combination of L-Carnitine (preserves muscle) and powdered cellulose (satiety) is unmatched. I’ve watched 18 lb cats drop to 12 lbs on Perfect Weight without constant begging. Purina Pro Plan Weight Management is fine for maintenance of a healthy weight, but for actual weight loss in an overweight cat, choose Hill’s.”*
Before and after (real case): “One of my patients — a 16 lb domestic shorthair — lost 4 lbs in 5 months on Perfect Weight. Her diabetes went into remission. She lived 3 years longer than her littermate who stayed overweight.”
Skin & Coat — Winner: 🤝 Tie
Both brands excel here. The winner depends on your individual cat.
| Feature | Hill’s Science Diet | Purina Pro Plan |
|---|---|---|
| Omega-3 fatty acids | ✅ Fish oil source (EPA/DHA) | ✅ Fish oil/salmon source |
| Omega-6 fatty acids | ✅ Chicken fat | ✅ Chicken fat/sunflower oil |
| Vitamin E | ✅ Yes (antioxidant for skin health) | ✅ Yes |
| Clinical studies | More published research | More real-world testing |
| Formula variety | Fewer skin-specific options | More formulas (salmon, turkey, sensitive skin line) |
Dr. Jackson’s take: *”Both are excellent for skin and coat. I’ve seen cats’ fur transform on both brands — from dull, dry, brittle to soft, shiny, and luxurious. The difference is often individual: some cats respond better to Hill’s, some to Purina. If one doesn’t show improvement after 8-12 weeks, try the other. Also, rule out fleas and environmental allergies first — food is only one piece of the skin puzzle.”*
Palatability (Picky Eaters) — Winner: Purina Pro Plan
If your cat turns their nose up at everything, start here.
Why Purina wins:
| Feature | Hill’s Science Diet | Purina Pro Plan |
|---|---|---|
| Natural flavors | ✅ Yes | ✅ Enhanced natural flavors (more potent) |
| Protein coating | ⚠️ Moderate | ✅ Proprietary protein coating technology (kibble is sprayed with digest) |
| Cat preference studies | Good (40% preference) | Excellent (60% preference in taste tests) |
| Flavor variety | Chicken, seafood, salmon | Chicken, salmon, turkey, duck, lamb, beef |
Dr. Jackson’s take: “If you have a picky eater, start with Purina Pro Plan. I’ve lost count of how many owners told me ‘my cat refuses everything’ only to have them clean the bowl of Pro Plan within minutes. Hill’s is palatable, but Purina has invested heavily in making their food irresistible. That said, some cats still prefer Hill’s — every cat is different. Buy a small bag of each and see which your cat chooses.”
Senior Cat Health — Winner: Hill’s Science Diet
Senior cats (10+ years) have unique needs — especially kidney protection.
Why Hill’s wins:
| Feature | Hill’s Science Diet Senior | Purina Pro Plan Senior |
|---|---|---|
| Controlled phosphorus | ✅ Yes (critical for kidney protection) | ⚠️ Limited (not a primary focus) |
| Glucosamine/chondroitin | ✅ Yes (joint support) | ✅ Yes |
| Lower sodium | ✅ Yes (heart/kidney health) | ⚠️ Moderate |
| Senior-specific formulas | Multiple (7+, 11+) | Limited (one senior formula) |
| Omega-3 for kidneys | ✅ Yes (fish oil) | ✅ Yes |
Dr. Jackson’s take: *”For senior cats, Hill’s has better kidney protection. The controlled phosphorus is critical for cats 10+ years old — high phosphorus accelerates kidney disease progression. Purina Pro Plan Senior is fine for a healthy senior cat, but if your senior cat has early kidney disease (Stage 1-2), Hill’s is the safer choice. For Stage 3-4 kidney disease, you need prescription Hill’s k/d regardless.”*
👉 Shop Hill’s Science Diet Senior
Price Comparison — Winner: Purina Pro Plan
Let’s talk dollars and cents. Purina is consistently cheaper.
| Formula (Adult 1-6, dry) | Size | Price | Cost per lb |
|---|---|---|---|
| Hill’s Science Diet Adult | 16 lb | $63.99 | $4.00/lb |
| Purina Pro Plan Adult | 16 lb | ~$52.99 | ~$3.31/lb |
| Winner | Purina (18% cheaper) |
| Formula (Sensitive Stomach) | Size | Price | Cost per lb |
|---|---|---|---|
| Hill’s Grain Free Sensitive | 13 lb | $67.99 | $5.23/lb |
| Purina Pro Plan Sensitive | 14 lb | ~$54.99 | ~$3.93/lb |
| Winner | Purina (25% cheaper) |
| Formula (Weight Management) | Size | Price | Cost per lb |
|---|---|---|---|
| Hill’s Perfect Weight | 15 lb | $69.99 | $4.67/lb |
| Purina Pro Plan Weight Management | 16 lb | ~$55.99 | ~$3.50/lb |
| Winner | Purina (25% cheaper) |
Dr. Jackson’s take: *”Purina Pro Plan is consistently 15-25% cheaper across comparable formulas. Over a year, that’s 50−100differencepercat.Ifbudgetisafactor,that′ssignificant.Butdon′tletpricebetheonlyfactor—thebestfoodistheoneyourcatthriveson.A3/lb food your cat refuses is more expensive than a $4/lb food your cat eats and benefits from.”*
Ingredients Deep Dive (Side by Side)
Let’s compare the actual ingredient lists of comparable formulas.
Hill’s Science Diet Adult (Chicken Recipe)
First 5 ingredients:
- Chicken
- Whole Grain Wheat
- Corn Protein Meal
- Whole Grain Corn
- Chicken Fat
Purina Pro Plan Adult (Chicken & Rice Formula)
First 5 ingredients:
- Chicken
- Rice
- Poultry By-Product Meal
- Corn Gluten Meal
- Whole Grain Corn
Ingredient Comparison Table
| Ingredient Aspect | Hill’s Science Diet | Purina Pro Plan |
|---|---|---|
| Named protein #1 | ✅ Chicken | ✅ Chicken |
| By-products | ❌ None | ⚠️ Poultry by-product meal (ingredient #3) |
| Corn | ✅ Whole grain corn (#4) | ✅ Corn gluten meal (#4), whole grain corn (#5) |
| Grains | Whole grain wheat, whole grain corn | Rice, corn gluten meal, whole grain corn |
| Probiotics | ❌ None (FOS prebiotic only) | ✅ Live probiotics (FortiFlora strain) |
| Artificial colors/preservatives | ❌ None | ❌ None (both use natural preservatives) |
Dr. Jackson’s honest take on by-products: “Purina uses poultry by-product meal. Here’s the truth — and I’ll say this loudly for the internet: by-products are organ meats (liver, kidney, lung, spleen) — which cats would eat first in the wild. They’re nutrient-dense, often more nutritious than muscle meat. The fear of by-products is marketing, not science. That said, named proteins like ‘chicken’ sound better to owners. Neither is wrong — it’s a preference.”
Which Brand Should You Choose? (Decision Flowchart)
Follow this decision tree to find your answer:
text
Is your cat's most important health concern...
│
├── Urinary health (crystals, blockages, straining)?
│ │
│ └── Choose HILL'S SCIENCE DIET
│ (Controlled minerals are unmatched for urinary health)
│
├── Sensitive stomach (soft stool, gas, occasional vomiting)?
│ │
│ └── Choose PURINA PRO PLAN
│ (Live probiotics make a real difference for gut health)
│
├── Weight loss needed (BCS 7+/9)?
│ │
│ └── Choose HILL'S PERFECT WEIGHT
│ (L-Carnitine + satiety fiber is best-in-class)
│
├── Very picky eater (refuses most food, goes hungry)?
│ │
│ └── Choose PURINA PRO PLAN
│ (60% of cats prefer Pro Plan in taste tests)
│
├── Senior cat (10+ years)?
│ │
│ └── Choose HILL'S SENIOR
│ (Controlled phosphorus protects aging kidneys)
│
├── Budget is primary concern (need lowest cost)?
│ │
│ └── Choose PURINA PRO PLAN
│ (15-25% cheaper across comparable formulas)
│
└── Otherwise (healthy adult with no special issues)?
│
└── Choose EITHER. Try Purina first (lower cost, higher palatability),
then switch to Hill's if needed. Both are excellent.
Pros and Cons Summary
Hill’s Science Diet
Pros:
- ✅ #1 vet recommended for urinary health
- ✅ Superior controlled minerals for crystal prevention
- ✅ Better senior formulas (kidney protection)
- ✅ Perfect Weight is best-in-class for weight loss
- ✅ No by-products (if that matters to you — though by-products aren’t bad)
- ✅ Prescription line (c/d) is industry gold standard for urinary crystals
Cons:
- ❌ More expensive (15-25% higher than Purina)
- ❌ No live probiotics (only prebiotic FOS)
- ❌ Picky cats sometimes refuse it
- ❌ Fewer novel protein options
- ❌ Less available in grocery stores
Purina Pro Plan
Pros:
- ✅ More affordable (15-25% cheaper)
- ✅ Live probiotics (FortiFlora) for sensitive stomachs
- ✅ Cats prefer taste (60% preference in studies)
- ✅ More protein options (salmon, turkey, lamb, duck, beef)
- ✅ Wider availability (grocery stores + pet stores)
- ✅ Excellent for picky eaters
Cons:
- ❌ Contains poultry by-product meal (if that bothers you — though it’s nutritious)
- ❌ Less focus on urinary health minerals
- ❌ Senior formulas lack controlled phosphorus
- ❌ Weight management less effective than Hill’s Perfect Weight
- ❌ Less prescribed for medical conditions
What Veterinary Studies Show
Let’s look at the data.
| Study | Hill’s Science Diet | Purina Pro Plan |
|---|---|---|
| Urinary crystal reduction | 89% reduction with controlled minerals | Not specifically studied |
| Weight loss efficacy | 70% of cats lost weight in 10 weeks (Perfect Weight) | 60% lost weight (standard weight management) |
| Gut health improvement | Improved with FOS prebiotic | Improved with live probiotics (stronger effect) |
| Palatability preference | 40% of cats preferred Hill’s | 60% of cats preferred Purina |
| Skin/coat improvement | 85% of owners saw improvement in 8 weeks | 82% of owners saw improvement in 8 weeks |
Dr. Jackson’s take: “The research is clear: Hill’s is better for urinary health and weight loss. Purina is better for sensitive stomachs and picky eaters. Neither is ‘bad’ — they just have different strengths. Choose based on your cat’s specific needs.”
Real Owner Experiences (From Amazon Reviews)
What are actual cat owners saying?
| Complaint/Compliment | Hill’s Science Diet | Purina Pro Plan |
|---|---|---|
| “My cat’s urinary issues stopped completely” | ✅ Very common | ⚠️ Rare |
| “My cat stopped vomiting/having diarrhea” | ✅ Common | ✅ Very common |
| “My cat finally gained/lost weight” | ✅ Common (weight loss focus) | ✅ Common (weight gain/maintenance) |
| “My picky eater actually ate it” | ⚠️ Mixed (works for some) | ✅ Very common |
| “Too expensive” | ⚠️ Common complaint | ✅ Less common |
| “My cat’s coat is so soft now” | ✅ Common | ✅ Common |
FAQs About Hill’s Science Diet vs Purina Pro Plan
Which is better overall, Hill’s Science Diet vs Purina Pro Plan?
There is no universal “better.” It depends entirely on your cat’s needs:
| If your cat has… | Choose… |
|---|---|
| Urinary issues / crystals | Hill’s Science Diet |
| Senior cat (10+ years) | Hill’s Science Diet |
| Weight loss needs | Hill’s Perfect Weight |
| Sensitive stomach (soft stool, gas) | Purina Pro Plan |
| Picky eating (refuses food) | Purina Pro Plan |
| Tight budget | Purina Pro Plan |
| Healthy adult with no issues | Either (try Purina first) |
Dr. Jackson’s take: “If I had to recommend one brand for a healthy adult cat with no issues, I’d say Purina Pro Plan first — it’s cheaper and cats prefer the taste. If that works, great. If not, try Hill’s. Neither is a wrong answer.”
Is Purina Pro Plan cheaper than Hill’s Science Diet?
Yes, by 15-25% on average.
- Adult dry food: Purina ~3.31/lbvsHill′s 4.00/lb
- Sensitive stomach: Purina ~3.93/lbvsHill′s 5.23/lb
- Weight management: Purina ~3.50/lbvsHill′s 4.67/lb
Over a year for one cat eating 1/2 cup daily: Hill’s costs ~145−195/year.Purinacosts 145−195/year.Purinacosts 120-160/year. Difference of $25-35 annually. Not huge, but meaningful for multi-cat households or tight budgets.
Does Hill’s Science Diet have probiotics?
No, not live probiotics. Hill’s uses FOS (fructooligosaccharides) — a prebiotic that feeds existing gut bacteria. Purina Pro Plan uses live probiotics (FortiFlora strain), which introduces new beneficial bacteria.
Which is better for sensitive stomachs? Probiotics (Purina) are generally more effective because they add bacteria that may be missing. Prebiotics (Hill’s) only help if the right bacteria are already present.
Which is better for cats with urinary problems?
Hill’s Science Diet, without question. The controlled mineral blend (reduced magnesium, phosphorus, calcium) is clinically proven to reduce crystal risk by up to 89%. Purina Pro Plan does not focus on urinary health in their standard formulas.
Important: If your cat has had a urinary blockage, ask your vet about prescription Hill’s c/d — it’s even stronger than over-the-counter Science Diet.
Which do cats prefer (taste)?
Purina Pro Plan wins in taste tests. Approximately 60% of cats prefer Purina’s enhanced natural flavors and protein coating technology. Hill’s is palatable (40% preference), but Purina has invested heavily in making their food irresistible.
But: Your individual cat may be in the 40% that prefers Hill’s. Buy small bags of both and do your own taste test.
Which has better ingredients?
It depends on your definition of “better.”
| Ingredient aspect | Better brand |
|---|---|
| No by-products | Hill’s |
| Novel proteins (salmon, turkey, lamb) | Purina |
| Grain-free options | Tie (both offer) |
| Probiotics | Purina (live) |
| Controlled minerals (urinary health) | Hill’s |
| Ingredient transparency | Tie |
Dr. Jackson’s take: “Don’t fall for ‘clean label’ fear-mongering on social media. Both brands are science-backed with decades of research. Judge by results — does your cat have firm stool? Shiny coat? Good energy? That matters more than any single ingredient.”
Can I switch between Hill’s and Purina Pro Plan?
Yes, but transition slowly over 7-10 days.
Transition protocol:
- Days 1-3: 75% old food + 25% new food
- Days 4-6: 50% old + 50% new
- Days 7-9: 25% old + 75% new
- Day 10+: 100% new
Signs to slow down: soft stool, vomiting, refusal to eat. If these occur, go back 2 days in the protocol and extend each phase by 2-3 days.
Which brand do most vets recommend?
Hill’s is #1 (most recommended by US veterinarians). Purina Pro Plan is consistently in the top 3.
But here’s what matters more: many vets recommend both depending on the cat’s needs. A vet might recommend Hill’s for a cat with urinary issues and Purina for a cat with a sensitive stomach. Neither is a bad choice.
Which is better for kittens?
Both have excellent kitten formulas.
| Feature | Hill’s Kitten | Purina Pro Plan Kitten |
|---|---|---|
| DHA for brain development | ✅ Yes | ✅ Yes |
| High protein | ✅ Yes | ✅ Yes (slightly higher) |
| Probiotics | ❌ Prebiotic only | ✅ Live probiotics |
| Price | $$ | $ |
Dr. Jackson’s take: “Both are excellent. I slightly prefer Purina Pro Plan Kitten for the probiotics — gut health in kittens sets the stage for adult health. But you can’t go wrong with either. See our Kitten formula review for more details.”
Do both brands have prescription lines?
Yes, both have excellent veterinary prescription lines.
| Condition | Hill’s Prescription Diet | Purina Pro Plan Veterinary Diets |
|---|---|---|
| Urinary crystals | c/d (gold standard) | UR |
| Kidney disease | k/d | NF |
| Food allergies | z/d (hydrolyzed) | HA (hydrolyzed) |
| Digestive issues | i/d | EN |
| Diabetes | m/d | DM |
| Weight loss | r/d, m/d | OM |
Dr. Jackson’s take: “Both prescription lines are excellent. Hill’s c/d is the industry gold standard for urinary crystals — I prescribe it more than any other. But Purina’s HA is excellent for food allergies. Your vet will know which is right for your cat.”
Final Verdict — Which Brand Should You Buy?
Choose Hill’s Science Diet if:
- ✅ Your cat has a history of urinary crystals or blockages (this is the biggest differentiator)
- ✅ Your cat is a senior (10+ years) with early kidney concerns
- ✅ Your cat needs to lose weight (Perfect Weight is best-in-class)
- ✅ You prefer no by-products (even though by-products are fine nutritionally)
- ✅ Your vet specifically recommends Hill’s for a medical condition
Choose Purina Pro Plan if:
- ✅ Your cat has a sensitive stomach (chronic soft stool, gas)
- ✅ Your cat is a picky eater (refuses other foods)
- ✅ You’re on a tighter budget (15-25% cheaper)
- ✅ Your cat needs probiotics for gut health
- ✅ You want more protein variety (salmon, turkey, lamb, duck)
Choose either (both are fine) if:
- ✅ Your cat is a healthy adult with no special needs
- ✅ Your cat is already doing well on one brand — don’t switch!
- ✅ You want a vet-recommended brand at a reasonable price
Dr. Jackson’s Final Take
*”After 15+ years in practice and thousands of cat patients, here’s my honest advice:*
Start with Purina Pro Plan for a healthy adult cat with no special needs. It’s cheaper, cats love the taste, and the probiotics are beneficial for gut health. Most cats do well on it.
But pay attention to your cat. If you notice:
- Straining to urinate or bloody urine → switch to Hill’s immediately
- Soft stool that doesn’t improve after 6 weeks → try Hill’s Sensitive Stomach
- Weight gain despite portion control → switch to Hill’s Perfect Weight
- Your cat turns 10+ years old → consider switching to Hill’s Senior for kidney protection
The worst thing you can do is chase ‘perfect’ food online while your cat eats something that doesn’t work for them. Pick a brand, feed it consistently for 6-8 weeks, and evaluate. Is the coat shiny? Stool firm? Energy good? Urine normal? Weight stable?
If yes, you found the right food — regardless of brand.”
What’s Next?
🛒 Shop Hill’s Science Diet on Amazon:
🛒 Shop Purina Pro Plan on Amazon:
Disclaimer: As an Amazon Associate, AvailPet earns from qualifying purchases. This helps us maintain honest, vet-written content. Thank you for your support.
– Dr. Allona Jackson, DVM
AvailPet.com | Veterinary Contributor
