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Scanned by Randall Saunders · April 11, 2026
Purina ONE Purina ONE Chicken & Rice Formula
73/100
Grade B− — Acceptable
📦 Product Overview
BrandPurina ONE
TypeDog Food - Dry/Kibble
Life Stageadult
Size13.5 lb (6.12 kg)
AAFCO Compliant✅ Yes
Label states formulated to meet AAFCO Dog Food Nutrient Profiles for adult maintenance. This is a formulation claim, not a feeding trial claim.
🧪 Ingredient Breakdown
✅
Chicken
Named whole meat as the #1 ingredient. Good. However, fresh chicken is ~70% water — once processed, its contribution by weight drops significantly.
❌
Rice Flour
Refined, nutrient-stripped powdered white rice. This is a cheap filler carb, not a quality grain. Purina claims '0% fillers' on the bag — rice flour says otherwise.
−3 pts
🟡
Corn
Whole corn. Common allergen, GMO risk, and carries aflatoxin contamination risk. Moderate concern.
−1 pts
🟡
Chicken By-Product Meal
Named by-product meal — at least the species is identified (chicken). Includes heads, feet, intestines, undeveloped eggs. Rendered. Not the worst, but not quality meat.
−1 pts
🟡
Corn Protein Meal
This is essentially corn gluten meal by another name. It inflates the crude protein number cheaply without providing the amino acid profile of real meat. The 26% protein on the label is partly propped up by this.
−1 pts
🟡
Whole Grain Wheat
Common allergen for dogs. Whole grain is better than wheat flour, but wheat is still one of the top allergens in canine nutrition.
−1 pts
🟡
Soybean Meal
Another plant protein that inflates crude protein numbers. Common allergen, estrogenic concerns, typically GMO.
−1 pts
✅
Beef Fat (preserved with mixed tocopherols)
Named animal fat preserved with a safe, natural preservative. Acceptable.
✅
Glycerin
Used as a humectant for the tender meaty morsels. Generally safe.
✅
Calcium Carbonate
Calcium supplement. Standard.
✅
Mono and Dicalcium Phosphate
Phosphorus and calcium source. Standard mineral supplement.
✅
Dried Chicory Root
Prebiotic fiber source (inulin). Supports gut health. One of the better ingredients on this label.
✅
Dried Carrots
Minor vegetable inclusion. Minimal nutritional impact at this position on the list but not harmful.
🟡
Dried Peas
Whole legume. At this low position on the ingredient list, DCM risk is minimal. Moderate concern as a starchy filler.
−1 pts
⚠
Vegetable Juice (color)
Used solely for coloring the food. Dogs do not care what color their food is. While not an artificial dye, the intent is cosmetic — a manufacturer priority that has nothing to do with nutrition.
−2 pts
✅
Salt
Sodium source. Normal in small amounts.
✅
Potassium Chloride
Potassium supplement. Standard.
⚠
Natural Flavor
Source never disclosed. 'Natural flavor' can legally be animal digest or any number of undisclosed substances. The lack of transparency is the problem.
−2 pts
✅
Mixed Tocopherols (Vitamin E Supplement)
Natural preservative. Safe and preferred.
✅
Niacin (Vitamin B-3)
Essential B vitamin. Standard.
✅
Vitamin A Supplement
Essential vitamin. Standard.
✅
Calcium Pantothenate (Vitamin B-5)
Essential B vitamin. Standard.
✅
Riboflavin Supplement (Vitamin B-2)
Essential B vitamin. Standard.
✅
Thiamine Mononitrate (Vitamin B-1)
Essential B vitamin. Standard.
✅
Vitamin B-12 Supplement
Essential vitamin. Standard.
✅
Pyridoxine Hydrochloride (Vitamin B-6)
Essential B vitamin. Standard.
✅
Folic Acid (Vitamin B-9)
Essential B vitamin. Standard.
✅
Vitamin D-3 Supplement
Essential vitamin. Standard.
✅
Biotin (Vitamin B-7)
Essential B vitamin. Standard.
⚠
Menadione Sodium Bisulfite Complex (Vitamin K)
Synthetic Vitamin K3. Banned in human food supplements in many countries due to toxicity concerns. Cheap alternative to natural Vitamin K. A manufacturer cutting corners.
−2 pts
✅
Zinc Sulfate
Zinc mineral supplement. Standard.
✅
Ferrous Sulfate
Iron supplement. Standard.
✅
Manganese Sulfate
Manganese supplement. Standard.
✅
Copper Sulfate
Copper supplement. Standard.
✅
Calcium Iodate
Iodine supplement. Standard.
⚠
Sodium Selenite
Inorganic form of selenium. Toxic in excess. Selenium yeast (organic form) is safer and better absorbed. Another cost-cutting choice.
−2 pts
✅
Choline Chloride
Essential nutrient. Standard.
✅
DL-Methionine
Essential amino acid supplement. Standard in kibble.
✅
L-Lysine Monohydrochloride
Essential amino acid supplement. Standard.
⚖ What's Good / What's Bad
Good
✅ Real chicken is the #1 ingredient — named, whole meat
✅ Beef fat preserved with mixed tocopherols — safe, natural preservation
✅ Dried chicory root provides prebiotic fiber for gut health
✅ Complete vitamin and mineral supplementation
✅ No artificial colors (FD&C dyes), no BHA, no BHT, no ethoxyquin
✅ Made by Purina — employs full-time board-certified veterinary nutritionists (WSAVA-compliant)
✅ Glucosamine included for joint support (350 ppm)
✅ AAFCO formulated for adult maintenance
Bad
❌ Rice flour is the #2 ingredient — a refined, nutrient-stripped filler. Purina's '0% fillers' claim is misleading.
❌ Chicken by-product meal is the primary concentrated protein — heads, feet, intestines of chickens
❌ Corn protein meal and soybean meal inflate the crude protein percentage — a significant portion of that 26% protein comes from plants, not meat
❌ Three separate plant protein sources (corn, corn protein meal, soybean meal) pad the protein number cheaply
❌ Menadione sodium bisulfite (synthetic Vitamin K3) — banned in human supplements in many countries
❌ Sodium selenite — inorganic, cheaper, and more toxic than selenium yeast
❌ Natural flavor — undisclosed source, zero transparency
❌ Vegetable juice used for coloring — cosmetic, not nutritional
❌ Whole grain wheat — common allergen for dogs
🧬 Potential Cancer-Linked Ingredients
✅ None found.
📊 Score Breakdown
Start score100 pts
Ingredient penalties−17 pts
❌ THREE OR MORE FILLER STARCHES / REFINED CARBS PRESENT (rice flour, corn, whole grain wheat count as 3+ refined/filler carbs in the formula)−10 pts
Final score73/100
💬 The Verdict

Purina ONE Chicken & Rice is a mass-market kibble from a WSAVA-compliant company that knows better but chooses to pad this formula with plant proteins and refined carbs. The #1 ingredient is real chicken — good. But the #2 ingredient is rice flour (a filler), followed by corn, chicken by-product meal, and corn protein meal. Three separate plant protein sources inflate the 26% protein claim. Menadione and sodium selenite are cheap, synthetic nutrient forms that premium brands have moved away from. The '0% fillers' claim on the bag is marketing fiction when rice flour is the second ingredient. This food will keep a dog alive and meets AAFCO minimums, but the protein quality and carb load are mediocre for the price.

🧨 Final Verdict

Purina ONE Chicken & Rice scores a 73 — B Minus. It's a budget-tier kibble wearing a 'natural' label from a company with the resources and nutritional expertise to do far better. The formula relies heavily on corn, rice flour, and plant proteins to hit its numbers while keeping costs down. Purina employs board-certified veterinary nutritionists and has decades of feeding trial data — they know exactly what they're doing here. This is a cost-optimized formula, not a nutrition-optimized one. It meets AAFCO minimums, it won't harm most dogs, and it comes from a company with robust quality control and food safety protocols. But the '0% fillers' claim is insulting when rice flour — the definition of a filler — is the second ingredient. For the same price point, there are better options. For a few dollars more per bag, there are significantly better options. This food is adequate. Adequate is not the same as good.