Veterinary Diets EN Gastroenteric Feline Formula Dry Cat Food
Verified Jun 20, 2026
This is a high-protein, energy-dense dry veterinary diet for kittens and adult cats that need digestive support. It uses highly digestible, concentrated protein sources like soy protein isolate, poultry by-product meal, and corn protein meal, with added fish oil for omega-3s and a full complement of vitamins and minerals. The formula is designed to be fed in smaller, nutrient-rich meals and also aims to support a urinary environment that is less favorable to common urinary crystals.
Nutritionally, this is a well-designed, specialized diet for cats with gastrointestinal issues who need easily digested, concentrated nutrition, and it’s appropriate for both kittens and adult cats. The very high protein level, moderate fat, and low fiber help support adequate calorie intake and nutrient absorption, even when appetite or meal size is limited. Because it’s a therapeutic veterinary formula based on plant and animal protein concentrates, it’s best used under veterinary guidance rather than as a general everyday food for healthy cats.
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At a Glance
KibbleLab Review
Strengths
- Very high protein (50% as-fed) with concentrated, highly digestible sources, which is helpful for cats with increased needs or reduced intake.
- Energy-dense at about 3805 kcal/kg (546 kcal per cup), allowing smaller meal volumes for cats that can’t tolerate large portions.
- Formulated to be complete and balanced for both growth of kittens and maintenance of adult cats according to AAFCO nutrient profiles, so it can safely be used long term when appropriate.
- Includes fish oil and a broad B-vitamin complex, plus added taurine and antioxidants (vitamins A and E) to support overall health during GI compromise.
Considerations
- Primary proteins are soy protein isolate and corn protein meal plus poultry by-product meal, which may not suit cats with known sensitivities to soy, corn, or poultry.
- Very high calorie density means it’s easy to overfeed if portions aren’t carefully measured, which can lead to unwanted weight gain in some cats.
- This is a therapeutic prescription diet intended for specific gastrointestinal and urinary needs, so it should be used under veterinary supervision rather than chosen as a routine maintenance food for healthy cats.
Full Ingredient List
Ingredients and analysis reflect manufacturer data at the time of our last update and can change without notice. Always check the actual product packaging before feeding.
Ingredient filtering helps identify compatible options but is not a substitute for a veterinary elimination diet.
Top 5 Ingredients Explained
01
Soy Protein Isolate
Soy protein isolate is a concentrated plant-based protein derived from defatted soy and is commonly used in dry and canned pet foods as a protein source, binder and texturizer to boost crude protein and improve kibble structure. It provides substantial protein and some essential amino acids but is generally less bioavailable than animal proteins and low in taurine (a concern for obligate carnivores like cats); some pets may be allergic to soy and soy contains phytoestrogens, though most anti-nutritional factors are reduced during processing, so consult your veterinarian for diets relying heavily on plant proteins.
02
Poultry By-Product
Poultry by-product is used primarily as a concentrated protein, fat and micronutrient source in pet foods and consists of rendered poultry parts such as internal organs, bones and connective tissues that supply amino acids, minerals (notably calcium and phosphorus) and B‑vitamins. It can be a cost‑effective source of bioavailable nutrients, but composition and quality vary by source and processing—owners of pets with poultry allergies or who prefer named-meat ingredients may choose alternatives, and safety depends on reputable rendering and adherence to regulatory standards.
03
Corn Protein Meal
Corn protein meal is a concentrated plant-based protein ingredient commonly used to raise crude protein and energy in dry kibbles, treats and some wet diets as a cost-effective alternative to animal protein sources. It provides digestible amino acids for dogs but has an incomplete amino acid profile (notably low in lysine and lacking taurine), so it should be balanced with higher-quality animal proteins for growing animals and obligate‑carnivore cats; some pets may also be sensitive to corn and quality/sourcing can affect safety and nutrient content.
04
Soy Flake
Soy flakes are a processed, defatted soybean ingredient used in pet foods as a plant‑based protein source and as a carbohydrate/binder and texturizer in dry diets and treats. They supply digestible protein, fiber and phytonutrients but are lower in certain essential amino acids for cats, can be a common food allergen, and contain phytoestrogens and residual anti‑nutritional factors that are typically reduced by processing, so diets must be formulated and supplemented appropriately.
05
Animal Fat
Animal fat is used in pet foods as a concentrated energy source and palatability enhancer, and can provide fat-soluble vitamin absorption and essential fatty acids (including arachidonic and linoleic acids, depending on the source) that support skin, coat and overall cellular function—particularly important for obligate carnivores like cats. Because it is calorie-dense and prone to oxidation, fats are typically rendered and stabilized; owners should be aware that high-fat diets can contribute to obesity and may trigger pancreatitis in susceptible dogs, so quality, source, and total dietary fat should be considered.
Nutritional Breakdown
How to read As Fed versus Dry Matter
As fed shows the numbers straight off the label, water included. Dry matter removes the water so you can compare a wet food and a dry food fairly.What is calorie density
How many calories the food packs per unit. Denser foods mean smaller portions for the same calories.Product Details & Brand
Product Specs
AAFCO Nutritional Adequacy
What is AAFCO
Association of American Feed Control Officials. It sets the nutritional
adequacy standards US pet foods are measured against.
What is AAFCO
Association of American Feed Control Officials. It sets the nutritional adequacy standards US pet foods are measured against.Brand
Purina Pro Plan is Nestlé Purina’s flagship veterinary- and research-backed premium line, designed for pets with specific dietary needs and active lifestyles. It is supported by extensive nutritional science and AAFCO feeding trials.
Visit Purina Pro PlanWSAVA publishes criteria for evaluating a manufacturer (qualified nutritionists, feeding trials, published research); it does not certify or endorse brands.
Manufacturer
Nestlé Purina operates its own manufacturing facilities in the United States and globally with rigorous quality assurance programs. Facilities comply with FDA and USDA standards and implement HACCP-based food safety systems. The company conducts AAFCO feeding trials and employs board-certified veterinary nutritionists.
Manufacturing details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing.
Recall History
Purina Pro Plan Veterinary Diets EN Gastroenteric Feline Formula Dry Cat Food has no recalls since 2014.
Source: FDA Pet Food Recall Database · Monitored daily
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Frequently Asked Questions
Has Purina Pro Plan ever been recalled?
We have no recalls on record for Purina Pro Plan. We monitor the FDA Pet Food Recall Database daily.
How does KibbleLab rate foods?
Our scores are based on ingredient composition, nutritional profile, AAFCO compliance, and health considerations. We don't penalize by-products, grains, or synthetic preservatives. Brands cannot pay for higher scores.
Is KibbleLab a substitute for veterinary advice?
No. KibbleLab provides data-driven food analysis, not medical advice. Always consult your veterinarian before making dietary changes, especially for pets with health conditions.
KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.
KibbleLab may earn affiliate commissions through product links. No one can pay for a higher score, or to change what we recommend for your pet.
Product data sourced from manufacturer websites, AAFCO statements, and FDA recall database. Last verified dates reflect our most recent data check.
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