What's actually in Kibbles 'n Bits?
We analyzed Kibbles 'n Bits Original Savory Beef & Chicken Flavors — one of the most recognizable dog food brands in America, thanks to decades of TV advertising. It's manufactured by the J.M. Smucker Company (Big Heart Pet Brands). The first five ingredients are corn, soybean meal, beef & bone meal, ground wheat, and animal fat (preserved with BHA/BHT).
Corn is the first ingredient — a cheap filler carbohydrate, not a protein source. Soybean meal at number two is a plant protein that inflates the protein percentage without delivering the amino acid profile dogs need. Beef & bone meal at number three sounds better than generic "meat and bone meal," but it's still a rendered product — ground-up bones, connective tissue, and whatever beef parts weren't fit for other uses. There's no whole, named animal protein anywhere in the formula.
Ground wheat at number four is yet another filler grain adding bulk and carbohydrates. Animal fat preserved with BHA/BHT rounds out the top five — and this is where things go from bad to genuinely concerning. Both BHA and BHT are artificial preservatives classified as possible carcinogens. Having one is bad enough. Kibbles 'n Bits uses both. Shop on Amazon →
The good stuff
We tried to find something positive to say about this formula. Kibbles 'n Bits meets AAFCO minimum standards for complete and balanced nutrition, so your dog won't develop an outright nutritional deficiency on paper. Calcium carbonate provides a mineral supplement, and choline chloride supports liver function.
That's about it. There are no named whole animal proteins, no omega-3 fatty acids, no fruits, no vegetables, no probiotics, and no beneficial supplements beyond the bare minimum. The entire formula is corn, soy, rendered meal, wheat, artificial preservatives, corn syrup, and artificial color. A score of 15 is low, but it's not zero — the formula does technically provide basic nutrition, which is the only thing keeping it from single digits.
The not-so-good stuff
The presence of both BHA and BHT in a single formula is extraordinary. The International Agency for Research on Cancer classifies BHA as a possible carcinogen. BHT carries similar concerns. Most mid-tier brands abandoned these artificial preservatives years ago in favor of natural alternatives like mixed tocopherols (vitamin E). Kibbles 'n Bits doubles down with both.
Corn syrup at position six is sugar in your dog's food. It contributes to obesity, dental disease, and blood sugar spikes. It exists because the base ingredients are so unappetizing that the food needs sweetening to be palatable. Caramel color — an artificial coloring agent — is equally indefensible. Dogs are largely color-blind. The dye is there to make the kibble look more appealing to you, the human buying it. It serves zero nutritional purpose and adds yet another artificial additive to the formula.
Propylene glycol makes an appearance as well — a humectant also used as a component in antifreeze. It's banned in cat food by the FDA but still permitted in dog food. There is not a single named whole animal protein anywhere in the ingredient list. No chicken, no salmon, no turkey, no beef. Despite "Beef & Chicken Flavors" on the bag, the only animal-derived ingredients are rendered beef & bone meal, unidentified animal fat, and animal digest (a palatability spray).
How it compares
Kibbles 'n Bits' F/15 is the lowest score in our entire database — below Pedigree (D/37) and below Ol' Roy (F/20). The combination of dual artificial preservatives, corn syrup, caramel color, and zero named whole proteins in a single formula is something we haven't seen from any other brand. Most F-grade foods have one or two major problems. Kibbles 'n Bits has all of them simultaneously.
The good news is that upgrading is easy and doesn't have to break the bank. Purina Dog Chow (D/39) is available at the same stores and scores more than twice as high — still not great, but measurably better. Iams (C/63) scores nearly four times higher and is widely available at big-box retailers. Diamond Naturals (B/78) costs a bit more but scores 63 points higher — a different universe of ingredient quality. Even switching to another F-grade food like Pedigree or Ol' Roy would be a small but measurable improvement, because Kibbles 'n Bits sits at the very bottom.
Read the full breakdown in our head-to-head comparison: Ol’ Roy vs Kibbles ’n Bits.
The bottom line
Kibbles 'n Bits earns an F grade (15/100) from KibbleIQ — the lowest score in our database. Corn and soybean meal as the foundation, dual BHA/BHT preservatives, corn syrup, caramel color, propylene glycol, and zero named whole proteins add up to a formula with almost nothing to recommend it. Decades of catchy commercials don't change what's in the bag. If your dog is eating Kibbles 'n Bits, the single best thing you can do is switch — even a modestly-priced option like Iams or Diamond Naturals will be a dramatic improvement in every measurable way. Shop on Amazon →
Sources
- AAFCO (Association of American Feed Control Officials) on artificial colors. Red 40, Yellow 5, Yellow 6, and similar are permitted under 21 CFR 73-74 but provide no nutritional value; our rubric treats their presence as a deduction because the “meat pieces” visual is purely cosmetic.
- FDA Pet Food Recall & Withdrawal Database. Any kibble-and-semi-moist hybrid product has more failure modes (moisture control, humectant stability, mold); the recall database is the authoritative source for brand-specific history.
- PubMed peer-reviewed veterinary nutrition literature on ingredient digestibility. Corn, soybean meal, and wheat middlings, when stacked as the first several ingredients, yield lower apparent total-tract digestibility than named-meat-first formulations.