Best Grain-Free Dog Food

Grain-free dog food (no corn, wheat, soy, or rice in the first 10 ingredients) sorted by ingredient quality.

Grain-free dog food replaces corn, wheat, soy, rice, and other grains with peas, lentils, chickpeas, or potatoes. Category exploded in the 2010s, then took a hit when the FDA's 2018 DCM (dilated cardiomyopathy) investigation flagged high-legume diets — the FDA hasn't established causation, but most veterinary nutritionists now recommend caution. This guide ranks 800+ grain-free dog foods for owners who want them, with an honest summary of the evidence at the bottom. Top picks today: Canidae Pure (single-protein, balanced legume use), Open Farm grain-free recipes, Wellness CORE Original. We avoid recommending high-pea-protein-concentrate formulas, which got the worst reception in the FDA work.

Top picks

1. Chicken & Salmon Freeze Dried Raw Morsels for Puppies by Open Farm — Score: 100
2. Chicken & Salmon Freeze Dried Raw Patties for Puppies by Open Farm — Score: 100
3. Farmer's Table Pork Freeze Dried Raw Morsels for Dogs by Open Farm — Score: 100
4. Gourmet Pâté for Puppies with Chicken & Salmon - Grain Free Wet Dog Food Rich in Protein with Smooth Texture by Stella & Chewy's — Score: 100
5. Grass-Fed Beef Freeze Dried Raw Morsels for Dogs by Open Farm — Score: 100
6. Instinct FreshDried Meal Blends Adult Freeze-Dried Dog Food - Beef & Wild Berry by Instinct — Score: 100
7. Instinct Raw Longevity Freeze-Dried Raw Alaskan Pollock by Instinct — Score: 100
8. Instinct Raw Longevity Freeze-Dried Raw Alaskan Pollock 7+ by Instinct — Score: 100
9. Instinct Raw Longevity Freeze-Dried Raw Beef by Instinct — Score: 100
10. Itty Bitty Beef Lil’ Bites - Freeze Dried Raw Dog Food for Small Breeds by Stella & Chewy's — Score: 100
11. Pupford Freeze-Dried Raw All Life Stages Dry Dog Food - Beef, 14 oz by Pupford — Score: 100
12. Sundays For Dogs USDA Beef Dog Food by Sundays For Dogs — Score: 100
13. Wild Red Grain Free Dog Food: Whole Prey Prairie Poultry Recipe, Raw Coated Kibble - Protein Rich, Legume Free Dry Dog Food by Stella & Chewy's — Score: 100
14. Wild Red Grain Free Puppy Food: Whole Prey Prairie Poultry Recipe, Raw Coated Kibble by Stella & Chewy's — Score: 100
15. Wellness Complete Health Petite Entrees Shredded Medley Braised Lamb, Venison, White Sweet Potatoes & Carrots by Wellness — Score: 99
16. Bil-Jac® Harvest Feast Adult Wet Dog Food - Turkey & Sweet Potatoes in Gravy, 3.5 oz by Bil-Jac — Score: 99
17. Wellness CORE Grain Free Weight Management Recipe by Wellness Core — Score: 98
18. Wellness CORE Whitefish, Salmon & Herring by Wellness — Score: 98
19. Merrick® Lil' Plates® Grain Free Small Breed Adult Wet Dog Food - Natural, Variety Pack, 12 Count by Merrick — Score: 98
20. Nutro Natural Choice™ All Life Stage Wet Dog Food - Grain Free, Variety Pack, 12 Count by Nutro — Score: 98
21. Nulo MedalSeries Small Breed All Life Stages Dry Dog Food - Chicken by Nulo — Score: 98
22. Wellness Complete Health Petite Entrees Shredded Medley Roasted Chicken, Beef, Green Beans & Red Peppers by Wellness — Score: 98
23. Wellness Complete Health Petite Entrees Shredded Tender Medley Chicken, Turkey, Carrots & Green Beans by Wellness — Score: 98
24. freshpet Vital Clean Nutrition Grain Free Chicken, Beef, Salmon and Egg by FreshPet — Score: 97
25. Blue Buffalo® Delights Small Breed Adult Wet Dog Food - Prime Rib in Gravy, 3.5 oz by Blue Buffalo — Score: 97

Named whole protein still comes first

Grain-free isn't automatically high-protein — many brands swap grains for legumes, which are also plant proteins. The first ingredient should still be a named whole meat or fish, not pea protein concentrate or potato starch.

Limited legume content

The FDA-DCM investigation focused on diets with peas, lentils, chickpeas, or potatoes as primary ingredients (top 5). Grain-free formulas that use minimal legumes — or use animal-derived alternatives like organ meats — carry less concern.

Taurine supplementation

Some implicated DCM cases showed low taurine levels. Brands aware of the issue now supplement taurine in grain-free formulas. Look for taurine in the supplement list.

Frequently asked questions

Should I avoid grain-free dog food entirely?

If your dog is healthy and there's no diagnosed grain allergy, most veterinary nutritionists currently recommend grain-inclusive diets as the safer default. The DCM link isn't proven causation, but the correlation is concerning enough that the burden of proof has shifted.

Are dogs commonly allergic to grains?

True grain allergies in dogs are rare. Most food allergies are to proteins (chicken, beef, dairy), not grains. If your vet suspects food allergy, an elimination diet trial is the diagnostic — switching brands isn't.

What is DCM and why is it linked to grain-free?

Dilated cardiomyopathy is a heart muscle disease that weakens the heart's pumping ability. The FDA's investigation found a higher-than-expected incidence in breeds not genetically predisposed to DCM, with grain-free diets as a common factor. The mechanism may involve legume-related interference with taurine metabolism, but this is unconfirmed.

Are there any grain-free formulas the FDA considers safe?

The FDA hasn't issued safe-list designations. Their advice is to discuss diet with your vet, especially for at-risk breeds (Doberman, Boxer, Cocker Spaniel, Golden Retriever, Great Dane). Periodic taurine and echocardiogram monitoring is reasonable for dogs on long-term grain-free diets.

What about grain-free for dogs with grain allergies?

If grain allergy is confirmed via veterinary elimination diet, grain-free is appropriate. Look for limited-ingredient formulas with a single novel protein and a single carbohydrate source — rather than legume-heavy boutique brands. Discuss taurine monitoring with your vet.

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