Disclosure: KibbleIQ is reader-supported. When you buy through affiliate links on this page (such as “Shop on Amazon” buttons), we may earn a commission at no extra cost to you. Our rankings are not influenced by commissions — we score every product using our published methodology before any commercial relationship is considered.
The short answer: This matchup pits two carnivore-first cat foods that take opposite roads to the same destination. Dr. Elsey’s cleanprotein Chicken Recipe is an engineered dry kibble built to pack in animal protein while keeping carbohydrates unusually low, leaning on chicken plus pork-derived components to stack pure animal protein. ZIWI Peak Air-Dried Chicken Recipe is a minimally-processed, air-dried whole-prey food that pairs muscle meat with organs, bone, and New Zealand green mussel. Both are genuinely animal-protein-dense and low in plant filler, so neither is the obvious winner. Dr. Elsey’s wins on convenience, value, and sheer protein density in an everyday kibble. ZIWI Peak wins on minimal processing and whole-prey completeness that no kibble can fully copy. We call this one an even match—the right choice comes down to format and budget rather than a real quality gap. Read on for where each pulls ahead.

The scores

Dr. Elsey's cleanprotein Chicken Recipe: B (87/100) — Chicken, Hydrolyzed Pork, Pork Plasma, Gelatin, Chicken Fat.

ZIWI Peak Air-Dried Chicken Recipe for Cats: B (87/100) — Chicken, Chicken Liver, Chicken Bone, Chicken Necks, New Zealand Green Mussel.

How the ingredients compare

Here are the first five ingredients on each label — the part of the panel that drives most of the score under our published rubric:

Dr. Elsey's: Chicken, Hydrolyzed Pork, Pork Plasma, Gelatin, Chicken Fat

ZIWI Peak: Chicken, Chicken Liver, Chicken Bone, Chicken Necks, New Zealand Green Mussel

Both panels open with chicken, and from there both stay firmly animal-based, which is exactly what an obligate carnivore wants. Dr. Elsey’s follows with hydrolyzed pork, pork plasma, and gelatin—three pork-derived ingredients that are essentially concentrated animal protein—then finishes the top five with chicken fat for energy and palatability. There isn’t a grain, pea, or potato in sight near the top, which is how it keeps carbohydrates so low. ZIWI Peak reads like a whole-prey blueprint: chicken, chicken liver, chicken bone, chicken necks, and New Zealand green mussel. That lineup delivers muscle meat, organ meat, natural calcium from bone, and an omega-3 and joint-support source in the mussel. The difference is philosophy: Dr. Elsey’s engineers protein density from refined animal fractions, while ZIWI Peak rebuilds a natural prey ratio. Both first-five panels are unusually clean for their categories.

Where Dr. Elsey's pulls ahead

Animal-protein density: Dr. Elsey’s is engineered to push animal protein about as far as a dry food realistically can. After whole chicken, the panel stacks hydrolyzed pork, pork plasma, and gelatin—all pork-derived fractions that are nearly pure protein and highly digestible. Because these components contribute little beyond amino acids, the vast majority of the protein your cat eats comes from animals rather than peas, lentils, or potato protein that can quietly inflate the crude-protein number on a plant-heavy kibble. For an obligate carnivore that needs animal-sourced amino acids and taurine, that distinction matters more than the headline percentage. If your priority is maximizing true animal protein in a convenient dry format, this is the panel that delivers it most aggressively, and it does so without relying on legume fillers. Shop on Amazon →

Everyday value: Air-drying is expensive, and ZIWI Peak’s price reflects it. Dr. Elsey’s sits at a mid-premium price that most owners can sustain as a complete daily diet rather than an occasional topper. For a multi-cat household, or anyone feeding a large or food-motivated cat, the cost difference between a premium kibble and an air-dried food is substantial month over month. Dr. Elsey’s lets you feed a genuinely high-protein, low-carbohydrate diet every day without the budget strain, and a bag stores easily and lasts. You also avoid the per-meal portioning math that pricier foods invite. When the realistic alternative to an expensive food is feeding less of it, the more affordable option that you can serve in full portions often wins on actual nutrition delivered.

Low-carb convenience: Cats have little biological need for dietary carbohydrate, yet most dry foods lean on starch to form the kibble. Dr. Elsey’s is unusual in that it keeps carbohydrates very low while remaining a shelf-stable, scoop-and-serve kibble. That combination is hard to find: you get the practicality of dry food—easy storage, simple measuring, no refrigeration, friendly to timed or free-feeding—without the heavy starch load that comes with most grain-free and grain-inclusive kibbles alike. For owners who want carnivore-appropriate macros but can’t commit to refrigerated or rehydrated feeding, it bridges the gap neatly. It is also a straightforward way to support a lean body condition, since low-carbohydrate diets can help with weight management in less active indoor cats.

Where ZIWI Peak holds its own

Whole-prey completeness: ZIWI Peak is built around the way cats actually eat in the wild—not just muscle meat, but organs and bone too. Its first five ingredients include chicken liver, chicken bone, and chicken necks, delivering organ meats rich in naturally occurring vitamins, minerals, and taurine, plus calcium and phosphorus from bone in roughly the ratio a cat’s body expects. New Zealand green mussel then adds natural omega-3 fatty acids and joint support. This whole-prey assembly is something a refined, engineered kibble simply can’t replicate from protein fractions and added fat. If you want a food that mirrors the nose-to-tail nutrition of natural prey, with the micronutrient depth that organs provide, ZIWI Peak holds a clear advantage here that goes beyond the protein number. Shop on Amazon →

Minimal processing: Conventional kibble is cooked at high heat under pressure, which can degrade some heat-sensitive nutrients and demands starch to hold the shape together. ZIWI Peak is gently air-dried, a slow, low-temperature process that removes moisture while preserving more of the raw ingredients’ natural nutrient profile. Fewer processing steps and no high-heat extrusion mean the food stays closer to its original animal-based form, with no need for the binding starches that kibble relies on. For owners who prioritize ingredient integrity and want a food that has been handled as little as possible between farm and bowl, this is a meaningful edge. It also tends to be intensely palatable, which helps with picky eaters or cats transitioning away from heavily processed diets toward something more raw-style.

Sourcing and joint support: ZIWI Peak sources from New Zealand and is transparent about its supply chain, which appeals to owners who care where ingredients originate. The standout is New Zealand green mussel, a recognized natural source of omega-3 fatty acids and compounds associated with joint health—a genuine functional ingredient sitting right in the top five rather than sprinkled in as an afterthought. For senior cats, larger breeds, or any cat you want to support through the years, that built-in joint and skin-and-coat support is a real differentiator. Pair that with named, traceable animal ingredients and the air-dried format, and ZIWI Peak makes a strong case as the closest thing to a fresh, ancestral diet you can serve straight from a resealable bag.

The bottom line

So which wins? In truth, neither—and that’s the point. These are two excellent, carnivore-appropriate foods that arrive at the same goal by different routes, so we call this an even match. Choose Dr. Elsey’s cleanprotein if you want maximum animal-protein density and very low carbohydrates in a convenient, more affordable dry kibble you can feed every day, especially in a multi-cat home or on a budget. Choose ZIWI Peak if minimal processing and true whole-prey nutrition—organs, bone, and green mussel—matter most to you, and the premium price fits your budget. Many owners do well using both: ZIWI Peak as a nutrient-dense topper or a few meals a week, with Dr. Elsey’s as the everyday base. The decision here is really about format and budget, not a quality gap. Whichever you pick, your cat is getting a genuinely animal-first diet.