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Diamond Maintenance Cat
A formulated-to-meet, chicken-first dry food from Diamond, lighter per cup than 56% of the dry cat foods we've verified. Cat-food pricing isn't in our corpus for this SKU yet, so cost-per-day isn't shown — the composition numbers below are fully verified.
THE FACTS, ONE SENTENCE — data as JSON · reference cat 10 lb · updated 2026-07-12
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 283 dry cat foods we've verified.
verified 2026-07-12
Composition — dry-matter basis
why dry matter
why 0.12% DM
Calories & cost — for your 10-lb adult cat
Cost per 1,000 kcal not available yet — this cat food isn't price-matched to a retail listing in our corpus yet. Serving math uses standard veterinary energy formulas — see the formula.
Standards & ingredients
what this means
why unknown
Safety
Source: official label source (official) · anchors: 283 verified dry cat foods · how to read this label
The fit
For your cat, specifically
Checked for a 10-lb adult cat with urinary health + a low-carb goal — the same published criteria our finder uses. Change your cat above and these update.
The source material
The full ingredient list
Every flag above is computed from this list. Why order is by pre-cooking weight, and how splitting bends it →
Chicken by-product meal, whole grain ground corn, wheat flour, chicken fat (preserved with mixed tocopherols), dried yeast, natural flavor, dried plain beet pulp, sodium bisulfate, potassium chloride, salt, DL-Methionine, taurine, choline chloride, dried Lactobacillus plantarum fermentation product, dried Bacillus subtilis fermentation product, dried Lactobacillus acidophilus fermentation product, dried Enterococcus faecium fermentation product, dried Bifidobacterium animalis fermentation product, zinc proteinate, vitamin E supplement, niacin, manganese proteinate, copper proteinate, zinc sulfate, manganese sulfate, copper sulfate, thiamine mononitrate, vitamin A supplement, biotin, potassium iodide, calcium pantothenate, riboflavin, pyridoxine hydrochloride, vitamin B12 supplement, sodium selenite, vitamin D3 supplement, folic acid
5 ingredients in this list are ones we hold sourced evidence on , and none of them is contested in the veterinary literature.
- Mixed tocopherols (natural vitamin E) · ingredient 4Well supportedA blend of vitamin E forms (alpha-, beta-, gamma-, delta-tocopherol) used as a natural-source antioxidant to slow fat rancidity, commonly chosen as an alternative to synthetic preservatives. EFSA concluded that tocopherol-rich extracts are safe for all animal species and the consumer and are efficacious antioxidants in feed.
- Beet Pulp · ingredient 7Well supportedThe fibrous material left after sugar is extracted from sugar beets, included as a moderately fermentable fiber source (commonly around 5 to 7.5% of the diet). Controlled feeding studies show it supports firm, good-quality stools and short-chain fatty acid production without impairing overall nutrient digestibility, so the 'cheap filler' characterization is not supported by the evidence.
- By-Product Meal (Meat / Poultry By-Product Meal) · ingredient 1NeutralA rendered concentrate made from clean, non-muscle parts of the carcass (organs, necks, feet, and similar), defined by AAFCO. It is more variable and lower-transparency than a named muscle meal, but it is not inherently unsafe or low-nutrition: controlled feeding trials in dogs report high protein digestibility (roughly 92-95%) for poultry by-product-based diets, and some by-product organs are nutrient-dense.
- Taurine (supplemental) · ingredient 12NeutralA sulfur amino acid that dogs can normally synthesize from methionine and cysteine, so it is not classically essential for them. However, some breeds (e.g., golden retrievers) and some diets are linked to low taurine status and dilated cardiomyopathy: an observational study (Ontiveros 2020) associated non-traditional, largely grain-free diets with taurine deficiency and DCM-consistent echocardiographic changes in golden retrievers, though causation and mechanism remain under investigation.
- Probiotics (live microbials) · ingredient 14NeutralLive microbial supplements (e.g., Enterococcus faecium SF68, dried fermentation products) intended to support gut health. A 2019 JVIM systematic review found the effect on acute gastrointestinal disease in dogs limited and possibly clinically unimportant, and benefits appear strain- and context-specific: in one shelter trial SF68 significantly reduced diarrhea in cats but not in dogs.
Nutritional twins
Priced close matches
This food has no verified price yet — these are the closest label matches that do.
Label-composition matches only: same species, form, and growth stage; same primary protein where both are known; grain-free preserved; protein within 4 points and fat within 4 points, and estimated carbs within 8 points, on a dry-matter basis. Not a medical or quality recommendation.
The maker
Who makes this — and how they back it up
The four questions the WSAVA nutrition guidelines tell you to ask a pet-food company. Every answer is sourced or marked as an undisclosed gap — never guessed. This is the "is it made competently?" axis that star-rating sites skip.
Facilities are described as Diamond's own in Meta, Missouri (HQ); Gaston, South Carolina; Lathrop, California; Ripon, California; Dumas, Arkansas; Frontenac, Kansas; and Rushville, Indiana. Diamond Pet Foods is well known industry-wide as a company that owns and operates its own plants rather than co-packing.
source →Diamond states it uses an internal team spanning veterinary medicine and companion-animal nutrition disciplines, but does not name a specific individual or state a board certification for any staff member on this or other pages found. Cannot confirm true or false with a real source, so left null rather than guessed.
source →No feeding-trial AAFCO statement found on the 8 labels we’ve verified for this brand, and no company-wide claim was found either. Most pet foods are only "formulated to meet" AAFCO profiles (a paper calculation) rather than fed to real animals in trials — this is common, not necessarily a red flag.
71 PubMed-indexed papers carry this brand's name in an author affiliation — but without a recognized pet-nutrition research arm we can't confirm these are the company's own studies rather than unrelated name matches (surnames, the taxonomic family "Canidae", institutions). We don't count it as confirmed research.
source →Full company scorecard, sources, and every SKU we've verified for this brand: Diamond brand page →