Nulo Freestyle Adult Dog Food, Premium All Natural Grain-Fre

The Verdict

Let me be direct: there are roughly 47,000 grain-free dog foods on Amazon, and most of them are the same kibble in a different bag. The Nulo Freestyle Adult formula actually isn’t. Here’s why it earned a 4.6 out of 5 from 229 verified buyers — and where it comes up short.

What You Actually Get

The bag is straightforward: a resealable, foil-lined pouch of small, dark brown kibble. Depending on the size you order, you’re getting somewhere between 4 and 24 pounds of food. The kibble itself is notably smaller than most adult formulas — think pea-sized rather than bone-shaped — which matters if you have a gulper who inhales food without chewing.

The Protein Story

This is where Nulo separates itself. The first five ingredients are deboned chicken, chicken meal, turkey meal, deboned trout, and salmon meal. That’s five animal proteins before any plant ingredient shows up. Most competing grain-free formulas in this price range lead with something like “chicken, chicken meal, peas, chickpeas, lentils.” Nulo skips the legume-heavy middle entirely.

The guaranteed analysis backs this up: minimum 32% protein and 17% fat. That’s noticeably higher protein than the typical 24-26% you’ll find in comparable mid-priced grain-free foods. The low glycemic index claim also checks out — without the pea and lentil overload, you’re avoiding the blood sugar spikes that can contribute to weight gain in less active dogs.

What Buyers Consistently Praise

The most frequent praise in the reviews centers on fussy eaters. One verified buyer noted, “My 9-year-old beagle mix has turned her nose up at every food we’ve tried for two years. She cleaned her bowl the first night with this.” Another said their golden retriever’s chronic itching cleared up within three weeks of switching.

Digestive issues come up repeatedly too, with multiple reviewers mentioning firmer stools and less gas within a week. That tracks with the added probiotics (a guaranteed 80 million CFU per pound) and the absence of common allergens like corn, wheat, soy, and eggs.

Where It Falls Short

Honest downsides: the small kibble size is a real issue for large-breed owners. A few reviewers with German Shepherds and Labs mentioned their dogs just crunched it once and swallowed, which reduces the dental benefits of kibble.

Second, grain-free isn’t automatically better. The FDA has investigated a potential link between grain-free diets and canine dilated cardiomyopathy (DCM), particularly in breeds genetically predisposed to heart issues. If you have a golden retriever, Doberman, or Great Dane, talk to your vet before committing to any grain-free food — Nulo included.

Third, there’s no transition guide printed on the bag. Switching cold turkey is the fastest way to upset a dog’s stomach, and a few reviewers learned that the hard way.

Who Should Buy This

This is best for owners of small-to-medium adult dogs who are picky eaters, have sensitive stomachs, or show signs of food allergies. It’s also a solid choice if you want a genuinely high-protein diet without paying boutique prices. Skip it for large breeds, puppies (this is adult formula only), or if your vet has specifically recommended a grain-inclusive diet.

FAQ

Is this food good for weight management? Yes, for most dogs. The low glycemic index helps steady blood sugar, and the high protein promotes lean muscle maintenance. But adjust portions — the calorie density is moderate at around 370 kcal per cup, not low.

Can I mix this with wet food? Absolutely. The kibble holds up well when soaked and doesn’t turn to mush. Just reduce the dry portion by roughly 25% to account for the wet food calories.

How quickly will I see results with a picky eater? Most reviewers reported success within the first bowl, but give it 3-5 days for a full transition. Mix 25% new food with 75% old food, then gradually shift the ratio.

The Verdict

Buy it if you want a high-protein, grain-free food that picky eaters actually eat, and you have a small-to-medium breed with no cardiac risk factors.

Skip it if you have a large breed, a puppy, or a dog with known heart conditions — there are better-matched options for those situations.

At 4.6 stars with 229 ratings, this is one of the more consistently well-reviewed grain-free foods in its category. It’s not the cheapest option, but it delivers on its core promise: real protein first, minimal filler, and a formula that most dogs genuinely enjoy eating.

Rating: 4.6/5

Where to Buy

👉 Check Price on Amazon →

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.