Pet owners are increasingly turning to grain free dog food to promote better health, especially for dogs with food sensitivities, allergies, or digestive issues. While grain-inclusive diets can be nutritious, grain free options often provide a more biologically appropriate diet for dogs—mimicking what their ancestors might have eaten in the wild.
In this guide, we’ll explore the best grain free dog food options available today, the benefits of going grain free, what to look for in a high-quality formula, and how to transition your dog safely.
What Is Grain Free Dog Food?
Grain free dog food excludes common grains like:
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Wheat
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Corn
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Rice
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Oats
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Barley
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Rye
Instead, these formulas use:
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Sweet potatoes
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Peas
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Lentils
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Chickpeas
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Tapioca
While grains are not inherently harmful, many dogs benefit from eliminating them, especially those with sensitivities. Grain free diets tend to focus more on animal proteins and nutrient-dense vegetables.
Top 5 Best Grain Free Dog Food Brands (2025)
1. Orijen Grain-Free Dry Dog Food
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Key Features:
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85% animal ingredients
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Fresh or raw free-run chicken, turkey, and fish
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No grains, corn, or wheat
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Why It’s Great:
Orijen mimics a natural canine diet and is packed with high-quality proteins. It’s perfect for active dogs and those who thrive on meat-heavy meals.
2. Wellness CORE Grain-Free Dog Food
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Key Features:
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Deboned turkey and chicken
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No meat by-products or fillers
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Enriched with probiotics and omega fatty acids
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Why It’s Great:
CORE supports muscle development and promotes skin and coat health. The added probiotics also aid digestion.
3. Merrick Grain-Free Dry Dog Food
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Key Features:
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Deboned beef as the first ingredient
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Includes sweet potatoes, blueberries, and apples
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Glucosamine and chondroitin for joint health
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Why It’s Great:
This is ideal for large breeds or senior dogs needing joint support. It combines taste and nutritional value beautifully.
4. Blue Buffalo Wilderness
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Key Features:
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High protein from chicken, salmon, or duck
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Antioxidant-rich LifeSource Bits
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No artificial preservatives or grains
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Why It’s Great:
A fantastic option for high-energy breeds. The Lifesource Bits contain a blend of vitamins, minerals, and antioxidants for immunity.
5. Taste of the Wild Grain-Free Dog Food
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Key Features:
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Real roasted bison and venison
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Includes fruits, vegetables, and probiotics
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High protein and easy to digest
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Why It’s Great:
Taste of the Wild offers unique protein sources and focuses on ancestral diets with real meat and wholesome ingredients.
Benefits of Grain Free Dog Food
✅ 1. Reduces Allergies and Intolerances
Some dogs have trouble digesting grains, leading to:
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Itchy skin
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Digestive problems
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Hot spots
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Ear infections
A grain free formula can alleviate these symptoms significantly.
✅ 2. Supports Healthy Digestion
By eliminating common fillers like corn and wheat, grain free dog food often leads to:
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Firmer stools
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Less gas
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Better nutrient absorption
✅ 3. Rich in Animal Proteins
Grain free diets typically contain a higher ratio of meat, which supports:
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Muscle growth
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Energy levels
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Immune function
✅ 4. Better Skin and Coat
Grain free formulas often include fish oils and healthy fats that promote:
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Shinier coats
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Less dandruff
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Reduced itching
✅ 5. Ideal for Picky Eaters
High meat content and savory flavors make these diets more palatable for dogs who turn their nose up at bland kibble.
Is Grain Free Dog Food Right for Every Dog?
Not necessarily. Here’s when to consider it:
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Your dog has food allergies or intolerances
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Your vet recommends it based on health issues
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You’re seeking a high-protein, nutrient-dense diet
But it may not be needed if:
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Your dog thrives on grains and has no health concerns
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Cost is a concern (grain free is typically more expensive)
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Your vet suggests a grain-inclusive prescription diet
Important Note: The FDA has investigated a possible link between grain free foods and canine dilated cardiomyopathy (DCM). While no definitive conclusions have been reached, always choose reputable brands and consult your vet if unsure.
What to Look for in the Best Grain Free Dog Food
When shopping, focus on the following:
✅ Named Protein Source
Look for real meat (e.g., “chicken,” “salmon”) as the first ingredient.
✅ Whole Food Ingredients
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Sweet potatoes
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Lentils
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Pumpkin
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Peas
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Carrots
Avoid vague terms like “animal meal” or “meat by-products.”
✅ No Artificial Additives
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Avoid food with BHA, BHT, and ethoxyquin.
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Look for foods preserved with vitamin E (mixed tocopherols).
✅ Complete and Balanced
Ensure the label states: “Formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles.”
✅ Added Supplements
Look for:
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Omega-3 & Omega-6
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Glucosamine
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Chondroitin
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Probiotics
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Taurine (important for heart health)
How to Transition Your Dog to Grain Free Food
Changing your dog’s food should be a gradual process to avoid stomach upset.
Transition Plan (7 Days):
| Day | Old Food | Grain-Free Food |
|---|---|---|
| 1-2 | 75% | 25% |
| 3-4 | 50% | 50% |
| 5-6 | 25% | 75% |
| 7+ | 0% | 100% |
Watch for signs of digestive upset like diarrhea, vomiting, or lethargy. If these persist, consult your vet.
Wet vs. Dry Grain Free Dog Food
| Type | Pros | Cons |
|---|---|---|
| Wet Food | Hydrating, flavorful, easy to chew | Expensive, shorter shelf life |
| Dry Kibble | Convenient, shelf-stable, dental health | Less moisture, less palatable |
Some owners opt for a mix of both, providing variety and balance.
Frequently Asked Questions
Q: Can all breeds eat grain free dog food?
A: Yes, but always match the food to your dog’s life stage and size (puppy, adult, senior, small or large breed).
Q: How do I know if my dog is allergic to grains?
A: Common signs include itchy skin, ear infections, vomiting, or chronic diarrhea. A vet can confirm via elimination diets or tests.
Q: Is grain free dog food good for puppies?
A: Some are, but not all. Look for grain-free foods labeled for puppy life stage with balanced calcium and DHA levels.
Conclusion
The best grain free dog food is one that prioritizes real meat, includes wholesome vegetables, and avoids harmful fillers and additives. Whether you’re addressing a food allergy or simply want a higher-protein, more natural diet, grain free options can be a healthy choice for your dog—when chosen wisely.
Always consult with your veterinarian before switching diets, especially if your dog has underlying health issues. Ultimately, feeding a high-quality, nutritionally balanced grain free dog food can help your furry friend live a happier, healthier life.
