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Purina ONE Lamb & Rice Formula Dry Dog Food
A feeding-trial-validated, lamb-first dry food that's cheaper per calorie than 94% of the dry foods we've priced and denser than 37% (you feed fewer cups) — $0.89 a day for your 40-lb adult dog.
THE FACTS, ONE SENTENCE — data as JSON · reference dog 40 lb · updated 2026-07-11
The evidence
The Verified Label
Every food on this site gets this exact panel — same fields, same order, sourced from the official label — so brands finally become comparable. Dots show where this food sits among all 494 dry foods we've verified.
verified 2026-07-11
Composition — dry-matter basis
why dry matter
Calories & cost — for your 40-lb adult dog
Cost per 1,000 kcal: $0.91 — cheaper than 94% of the 360 dry foods we've priced (median $1.93). Serving math uses standard veterinary energy formulas — see the formula.
Standards & ingredients
what this means
why unknown
Safety
Source: official label source (official)· price: Amazon, 2026-07-11 · anchors: 494 verified dry dog foods (360 priced) · how to read this label
The fit
For your dog, specifically
Checked for a 40-lb adult with a sensitive stomach — the same published criteria our finder uses. Change your dog above and these update.
The source material
The full ingredient list
Every flag on the Verified Label is computed from this list. Ingredients are ordered by pre-cooking weight — the first five carry the most information.
Lamb, rice, whole grain corn, whole grain wheat, chicken by-product meal, corn protein meal, soybean meal, beef fat preserved with mixed tocopherols, glycerin, natural flavor, calcium carbonate, mono and dicalcium phosphate, dried chicory root, salt, soybean oil, potassium chloride, dried carrots, dried peas, choline chloride, malted barley extract, DL-Methionine, Vitamins [Vitamin E supplement, niacin (Vitamin B-3), thiamine mononitrate (Vitamin B-1), calcium pantothenate (Vitamin B-5), Vitamin A supplement, riboflavin supplement (Vitamin B-2), Vitamin B-12 supplement, pyridoxine hydrochloride (Vitamin B-6), folic acid (Vitamin B-9), menadione sodium bisulfite complex (Vitamin K), biotin (Vitamin B-7), Vitamin D-3 supplement], Minerals [zinc sulfate, ferrous sulfate, manganese sulfate, copper sulfate, calcium iodate, sodium selenite], L-Lysine monohydrochloride