Best Grain-Free Dog Foods UK: Our Honest Top Picks
Choosing the right dog food can feel overwhelming, especially when your dog has a sensitive stomach, skin allergies, or dietary intolerances. That is exactly why we created dogfoodsuk.com — to help UK dog owners make informed, honest decisions about what they feed their dogs.
Grain-free dog food has become one of the most searched pet nutrition topics in the UK. Walk into any pet shop or browse Amazon UK, and you will see shelves packed with grain-free options. But are they actually better for your dog? And which ones are worth your money?
In this guide, we have researched, compared, and reviewed the best grain-free dog foods available in the UK — covering both dry kibble and wet food. We look at ingredient quality, nutritional value, price, and real customer feedback. We also cover the science behind grain-free diets, including the important discussion around DCM (dilated cardiomyopathy) risks, so you can make a truly informed choice.
Quick recommendations:
- Best overall grain-free dry: Eden 80/20 Dry Dog Food
- Best grain-free wet: Forthglade Grain-Free Wet Dog Food
- Best budget grain-free: Butcher’s Tripe Variety
- Best for sensitive stomachs: Scrumbles Gut-Friendly
- Best premium holistic: Lily’s Kitchen Grain-Free
What Does Grain-Free Dog Food Actually Mean?
Grain-free dog food is exactly what it sounds like — a dog food formulation that does not contain common grains such as wheat, corn, rice, barley, oats, or rye. Instead, grain-free recipes replace these ingredients with alternative carbohydrate sources like sweet potatoes, peas, lentils, potatoes, or chickpeas.
It is important to understand that grain-free does not mean carbohydrate-free. Many grain-free dog foods still contain a significant proportion of carbohydrates — they simply come from non-grain sources. This is a common misconception among dog owners.
Grains in dog food are not inherently bad. In fact, grains like brown rice and oats can provide useful nutrients including fibre, vitamins, and minerals. The main reason grain-free foods exist is for dogs that have a confirmed allergy or sensitivity to specific grains — most commonly wheat and corn.
According to FEDIAF (the European Pet Food Industry Federation), grain-free pet foods can be nutritionally complete when formulated correctly. FEDIAF’s nutritional guidelines set the standard for pet food production in Europe, and reputable grain-free brands follow these standards carefully.
Is Grain-Free Food Better for Dogs? (The Honest Truth)
The short answer is: it depends on your dog. Grain-free food is not automatically healthier or superior to grain-inclusive food. The quality of the ingredients matters far more than whether the food contains grains or not.
The Potential Benefits of Grain-Free Dog Food
For dogs with genuine grain allergies or intolerances, grain-free food can make a significant difference. Symptoms of grain sensitivity in dogs include:
- Chronic itchy skin or hot spots
- Recurring ear infections
- Excessive wind or bloating
- Loose stools or chronic diarrhoea
- Vomiting after meals
- Dull coat or excessive shedding
If your dog shows these symptoms and your vet has ruled out other causes, switching to a grain-free diet may help. Some dogs also simply digest grain-free recipes better, particularly those with sensitive digestive systems.
Many grain-free dog foods also tend to have higher meat content, which aligns more closely with a dog’s ancestral diet. Dogs are omnivores, but their digestive systems are well-suited to meat-based diets. Foods like Eden 80/20, which contains 80% meat, reflect this approach.
The Concerns: DCM and Heart Health
It would be irresponsible to discuss grain-free dog food without addressing the DCM (dilated cardiomyopathy) concern. In 2018, the US FDA launched an investigation into a potential link between grain-free diets (particularly those high in legumes like peas, lentils, and potatoes) and DCM in dogs.
However, it is crucial to understand the context:
- The FDA investigation was primarily US-focused and did not establish a definitive causal link
- The European perspective, as noted by FEDIAF, is that grain-free diets produced following European nutritional guidelines are generally safe
- The PDSA and RSPCA in the UK have not issued specific warnings against grain-free diets
- Many veterinary nutritionists believe the issue may be related to specific formulation problems rather than grain-free diets as a whole
PetMD recommends that dog owners choosing grain-free food should look for products that meet established nutritional standards (such as FEDIAF guidelines in Europe), include taurine and L-carnitine in their ingredients, and come from reputable manufacturers who conduct thorough feeding trials.
Our recommendation: If your dog does not have a diagnosed grain sensitivity, there is no strong evidence that grain-free food is healthier. If you do choose grain-free, select a brand that follows FEDIAF guidelines and includes adequate taurine levels. Always consult your vet before making significant dietary changes.
When Should You Consider Grain-Free Dog Food?
Grain-free dog food is worth considering in several specific situations:
1. Confirmed Grain Allergies
If your vet has diagnosed your dog with a grain allergy (usually through an elimination diet), grain-free food is the appropriate choice. True grain allergies are actually less common than many owners think — the RSPCA notes that protein sources like chicken and beef are more common canine allergens than grains.
2. Recurring Digestive Issues
If your dog regularly experiences bloating, gas, loose stools, or vomiting and your vet has ruled out other medical conditions, a grain-free trial may be worthwhile. Some dogs simply tolerate non-grain carbohydrates better.
3. Skin and Coat Problems
Persistent itching, redness, or a dull coat can sometimes be linked to dietary sensitivities. While grains are not always the culprit, switching to a high-quality grain-free food as part of an elimination trial can help identify the trigger.
4. Personal Preference
Some owners simply prefer to feed their dogs a diet that mirrors what they believe is closer to a dog’s natural ancestral eating pattern. As long as the food meets FEDIAF nutritional guidelines, this is a perfectly valid choice.
If you are unsure whether grain-free is right for your dog, we always recommend speaking with your vet first. You can also read our guide on how to switch dog food safely to ensure any transition goes smoothly.
Best Grain-Free Dry Dog Foods UK
Dry dog food (kibble) remains the most popular choice for UK dog owners, thanks to its convenience, longer shelf life, and typically lower cost per day. Here are our top grain-free dry picks, all widely available in the UK.
1. Eden 80/20 Dry Dog Food — Best Overall
Eden has built a strong reputation in the UK for producing genuinely high-meat-content dog food. Their 80/20 range lives up to its name — it contains 80% meat and animal-derived ingredients, with the remaining 20% comprising vegetables, botanicals, and essential nutrients.
Key features:
- 80% meat content (including fresh meat, dried meat, and animal fats)
- Completely grain-free — uses sweet potato as the main carbohydrate
- No artificial colours, flavours, or preservatives
- High protein content (typically around 38-40%)
- Available in multiple flavours: free-run chicken, lamb, fish, and working dog variants
Pros:
- Exceptionally high meat content for the price point
- Excellent ingredient transparency
- Strong customer reviews and highly rated on All About Dog Food
- Good for active dogs and those needing higher protein intake
Cons:
- Higher price per kg than supermarket brands (roughly £50-60 for a 12kg bag on Amazon UK)
- The high protein content may not suit all dogs, particularly those with kidney issues
- Strong smell that some owners find off-putting
Approximate cost per day: £1.20-1.80 for a medium dog (15-25kg)
Where to buy: Amazon UK, Eden’s own website, and selected independent pet shops
2. Lily’s Kitchen Grain-Free Dry Dog Food — Best Premium Holistic
Lily’s Kitchen is one of the UK’s best-known premium pet food brands. Their grain-free dry range is made with human-grade ingredients and follows a holistic approach to canine nutrition, meaning they consider the whole health picture rather than just basic nutritional minimums.
Key features:
- Human-grade meat and vegetables
- Grain-free recipes using sweet potato and potato
- Added botanical herbs for flavour and health benefits
- Contains prebiotics for digestive support
- Available in flavours including chicken, lamb, turkey, and fish
Pros:
- Excellent brand reputation and trust in the UK
- High-quality, recognisable ingredients
- Packaging is resealable and attractive
- Widely available in UK supermarkets (Waitrose, Sainsbury’s) and online
Cons:
- One of the more expensive options (around £55-70 for a 12kg bag)
- Protein content is moderate (around 28-32%), less than Eden
- Some flavours contain more potato than meat, depending on the recipe
Approximate cost per day: £1.30-2.00 for a medium dog
3. Canagan Free-Run Chicken Dry Dog Food — Best Premium Alternative
Canagan is a British brand that produces grain-free dog food inspired by the ancestral diet of wolves. Their Free-Run Chicken recipe is one of their most popular offerings in the UK market.
Key features:
- Approximately 65% meat content including fresh chicken and dried chicken
- Grain-free with sweet potato as the primary carbohydrate
- Includes joint-supporting ingredients like glucosamine and chondroitin
- Added prebiotics MOS and FOS for gut health
- No artificial additives
Pros:
- Good protein content and quality ingredients
- Joint support is excellent for older or larger breeds
- Competitive price for a premium grain-free food (around £45-55 for 12kg)
- Available through many UK retailers including Amazon UK and Pets at Home
Cons:
- Some owners report their dogs did not like the taste
- Contains both sweet potato and potato, which increases total carbohydrate content
- Not as much transparency on exact ingredient sourcing as some competitors
Approximate cost per day: £1.10-1.60 for a medium dog
4. James Wellbeloved Hypoallergenic Grain-Free — Best for Allergies
James Wellbeloved has been a trusted name in UK dog food for decades, and their grain-free range extends their hypoallergenic philosophy. This food uses a limited ingredient approach, making it ideal for dogs with known sensitivities.
Key features:
- Single source of animal protein per recipe (turkey, lamb, or fish)
- Grain-free with rice replaced by potato and pea protein
- Hypoallergenic formula designed to minimise allergic reactions
- Includes omega-3 and omega-6 fatty acids for skin and coat health
- No artificial preservatives, colours, or flavours
Pros:
- Limited ingredient approach is ideal for elimination diets
- Widely available across the UK in pet shops, vets, and online
- Affordable for a specialised hypoallergenic food (around £40-50 for 12kg)
- Good reputation built over many years in the UK market
Cons:
- Lower meat content than premium brands (around 30-35%)
- Uses pea protein as a significant ingredient, which some owners prefer to avoid
- Calorie density is lower than some competitors
Approximate cost per day: £0.90-1.40 for a medium dog
5. Wellness CORE Ocean Adult Original — Best for Omega-3
Wellness CORE Ocean is a fish-based grain-free dry food that is particularly rich in omega-3 fatty acids, making it an excellent choice for dogs with skin issues or inflammatory conditions.
Key features:
- Primary protein sources: salmon, whitefish, and menhaden fish meal
- Grain-free with potatoes and peas
- Very high in omega-3 fatty acids for skin, coat, and joint health
- Includes glucosamine for joint support
- Antioxidant-rich fruits and vegetables
Pros:
- Excellent for dogs with skin allergies or dry, itchy coats
- High-quality fish protein with good amino acid profile
- Supports anti-inflammatory health
- Strong nutritional profile with added vitamins and minerals
Cons:
- Strong fish smell that may be unpleasant for some owners
- Can be harder to find in UK shops — mainly available online via Amazon UK
- Higher price point (around £55-65 for 10kg)
Approximate cost per day: £1.40-2.10 for a medium dog
Best Grain-Free Wet Dog Foods UK
Wet dog food offers higher moisture content, which is beneficial for hydration, and many dogs find it more palatable than dry kibble. Here are our top grain-free wet food picks available in the UK.
1. Forthglade Grain-Free Wet Dog Food — Best Overall Wet
Forthglade is a Devon-based company that produces natural, gently steamed dog food. Their grain-free wet range is one of the most popular in the UK, and for good reason.
Key features:
- 75% meat content in every recipe
- Gently steamed to preserve nutrients (not heavily processed)
- Grain-free with sweet potato as the carbohydrate source
- No artificial additives, preservatives, or colours
- Available in chicken, turkey, lamb, salmon, and duck varieties
Pros:
- Very high meat content for a wet food at this price point
- Gentle cooking process preserves nutritional quality
- Excellent palatability — most dogs love the taste
- Widely available in UK supermarkets (Tesco, Sainsbury’s) and online
- Affordable price (around £1.00-1.30 per 400g tray on Amazon UK)
Cons:
- Tray packaging can sometimes be damaged in transit
- Some flavours are seasonal or harder to find consistently
- The soft texture may not suit all dogs, especially those who prefer chunks in gravy
Approximate cost per day: £2.00-3.50 for a medium dog (2-3 trays)
2. Butcher’s Tripe Variety Grain-Free — Best Budget Wet
Butcher’s is a well-established UK brand, and their grain-free tripe variety offers excellent value for money. Tripe is naturally grain-free and highly digestible, making it a favourite among many dog owners.
Key features:
- 100% natural tripe as the primary ingredient
- Rich in natural enzymes and probiotics for gut health
- Grain-free and gluten-free
- Available in cans and trays
- Made in the UK
Pros:
- Very budget-friendly (around £0.60-0.80 per 400g can)
- Naturally supports digestive health
- Tripe is highly palatable for most dogs
- Widely available in UK supermarkets, pet shops, and online
Cons:
- Strong smell that many owners find unpleasant
- Limited flavour variety compared to premium brands
- Lower overall nutritional completeness — best used as a mixer or alongside a balanced dry food
Approximate cost per day: £1.20-2.00 for a medium dog
3. Scrumbles Gut-Friendly Grain-Free Wet — Best for Digestive Health
Scrumbles is a UK brand that focuses specifically on gut health. Their grain-free wet food includes added probiotics, making it particularly suitable for dogs with sensitive digestive systems.
Key features:
- 70% meat content
- Added probiotic (Bacillus coagulans) for gut health support
- Grain-free with pumpkin as a digestive aid
- No artificial colours, flavours, or preservatives
- Vet-approved recipes
Pros:
- Probiotic support sets it apart from competitors
- Pumpkin is excellent for digestive regularity
- Gentle on sensitive stomachs
- Moderately priced (around £1.20-1.50 per 390g tray)
Cons:
- Smaller brand with less retail availability than Forthglade or Butcher’s
- Limited flavour options (mainly chicken and fish)
- Some dogs may not enjoy the texture
Approximate cost per day: £2.40-3.60 for a medium dog
Grain-Free vs Grain-Inclusive: Which Is Right for Your Dog?
This is one of the most common questions UK dog owners ask. The truth is that both grain-free and grain-inclusive diets can be nutritionally complete and healthy — the key is choosing a high-quality product regardless of which category it falls into.
Choose grain-free if:
- Your dog has a diagnosed grain allergy or intolerance
- Your dog experiences recurring digestive issues that may be linked to grains
- Your vet has specifically recommended a grain-free diet
- Your dog thrives on a grain-free diet (shiny coat, good energy, firm stools)
Choose grain-inclusive if:
- Your dog has no sensitivities to grains and tolerates them well
- You want a more affordable option (grain-inclusive foods are often cheaper)
- You prefer a food with whole grains for their fibre and nutrient benefits
- Your vet has advised against grain-free (for example, if your dog needs a specific therapeutic diet)
The most important factor is always the overall quality of the food. A high-quality grain-inclusive food with real meat as the first ingredient is far better than a cheap grain-free food packed with fillers and plant proteins. For more on choosing quality food, see our dry food guides.
At dogfoodsuk.com, we believe there is no one-size-fits-all answer. Every dog is different, and the best food for your dog is the one that meets their individual nutritional needs, that they enjoy eating, and that fits within your budget.
How to Safely Transition to Grain-Free Food
Switching your dog’s food too quickly can cause digestive upset, regardless of whether you are moving to grain-free or between two grain-inclusive foods. A gradual transition is essential.
We have a full guide on how to switch dog food safely, but here is a quick summary of the recommended approach:
The 7-10 Day Transition Plan:
- Days 1-3: 75% old food, 25% new grain-free food
- Days 4-6: 50% old food, 50% new grain-free food
- Days 7-9: 25% old food, 75% new grain-free food
- Day 10 onwards: 100% new grain-free food
During the transition, monitor your dog closely for any signs of digestive upset. If you notice persistent diarrhoea, vomiting, or loss of appetite, slow the transition down or consult your vet.
It is also worth noting that some dogs may experience a brief adjustment period when switching to grain-free, particularly if the new food has a different protein source or higher fat content. This is normal and usually resolves within a week or two.
What to Look for in Quality Grain-Free Dog Food
Not all grain-free dog foods are created equal. Here are the key factors we evaluate when reviewing products:
1. Named Meat as the First Ingredient
The first ingredient should always be a specific, named meat (e.g., “fresh chicken” or “salmon”) rather than a generic term like “meat meal” or “animal derivatives.” Check out our article on dogs and meat for more on why quality protein matters.
2. High Meat Content Overall
We recommend looking for grain-free foods with at least 50% total meat content for dry food and 60% or more for wet food. Brands like Eden (80% meat) and Forthglade (75% meat) set the standard here.
3. FEDIAF Nutritional Compliance
The food should comply with FEDIAF nutritional guidelines, which set minimum and maximum levels for essential nutrients. This is your assurance that the food is nutritionally complete and balanced.
4. No Unnecessary Fillers
Avoid foods that list excessive amounts of pea protein, potato starch, or other plant-based fillers near the top of the ingredient list. While these are not harmful, they should not be replacing quality meat.
5. Taurine and L-Carnitine
Given the ongoing discussion about grain-free diets and heart health, we recommend choosing brands that include taurine and L-carnitine in their recipes. These amino acids support cardiovascular health and can provide extra peace of mind.
6. Transparent Sourcing
The best brands are transparent about where their ingredients come from. UK-sourced meat, clearly labelled ingredient origins, and information about manufacturing locations are all positive signs.
7. All About Dog Food Rating
We highly recommend checking the All About Dog Food website, which provides independent nutritional analysis and ratings for hundreds of UK dog food brands. Their scoring system is one of the most reliable in the UK market.
Common Mistakes When Choosing Grain-Free Food
We have seen many UK dog owners make the same mistakes when switching to or choosing grain-free food. Here are the most common ones to avoid:
Mistake 1: Assuming Grain-Free Means Low Carb
As we mentioned earlier, many grain-free foods replace grains with other carbohydrate sources like sweet potato or peas. Always check the guaranteed analysis to understand the actual carbohydrate content.
Mistake 2: Choosing Based on Marketing Alone
Premium packaging and clever marketing claims do not guarantee quality. Always read the full ingredient list and nutritional information. A food’s quality is determined by what is actually in it, not what the front of the bag promises.
Mistake 3: Ignoring Your Dog’s Individual Needs
What works brilliantly for one dog may not suit another. Age, breed, activity level, health conditions, and personal preference all play a role. A highly active working dog has very different nutritional needs from a senior sofa companion.
Mistake 4: Switching Too Quickly
We covered this in the transition section, but it bears repeating — a sudden switch can cause significant digestive upset. Always transition gradually over 7-10 days minimum.
Mistake 5: Overfeeding
Many grain-free foods are more calorie-dense than standard grain-inclusive foods. Follow the feeding guidelines on the packaging and adjust based on your dog’s body condition. If your dog is gaining weight, you may need to reduce the portion size.
Mistake 6: Not Considering Wet Food Alternatives
Many owners default to dry kibble without considering wet food. For dogs that are picky eaters, need extra hydration, or have dental issues, a quality grain-free wet food like Forthglade or a combination of wet and dry might be a better solution.
Mistake 7: Neglecting Vet Advice
If your dog has health conditions, is on medication, or shows signs of illness, always consult your vet before changing their diet. Dietary changes can interact with certain health conditions and medications.
Frequently Asked Questions
Is grain-free dog food better than regular dog food?
Not necessarily. Grain-free food is better for dogs with diagnosed grain allergies or sensitivities. For most dogs, a high-quality grain-inclusive food is perfectly fine. The overall quality of ingredients matters more than whether the food contains grains. Always check that the food meets FEDIAF nutritional guidelines.
Can grain-free dog food cause heart problems?
There has been research into a potential link between certain grain-free diets (specifically those high in legumes) and DCM in dogs. However, this research is not conclusive, and European-produced grain-free foods following FEDIAF guidelines are generally considered safe. Choosing brands that include taurine and L-carnitine can provide additional reassurance. Speak to your vet if you have concerns.
Is grain-free food good for puppies?
Grain-free puppy food can be suitable as long as it is specifically formulated for puppies and meets their higher nutritional requirements for growth. Brands like Lily’s Kitchen and Eden offer puppy-specific grain-free recipes. For more on feeding puppies, see our best puppy food UK guide.
How much does grain-free dog food cost in the UK?
Grain-free dog food typically costs between 10-30% more than standard grain-inclusive food. Budget options like Butcher’s start from around 60p per can, while premium dry foods like Eden or Lily’s Kitchen cost £40-70 for a 12kg bag. We have included cost-per-day estimates for each of our recommended products to help you budget.
Can I mix grain-free wet and dry food?
Yes, many dog owners successfully mix grain-free wet and dry food. This can provide the benefits of both — the dental benefits and convenience of kibble alongside the hydration and palatability of wet food. Just ensure both foods are grain-free if you are avoiding grains entirely, and adjust the total daily portions to avoid overfeeding.
What grains are commonly replaced in grain-free dog food?
The most common replacements are sweet potatoes, potatoes, peas, lentils, chickpeas, and tapioca. Sweet potato is widely considered the best alternative because it is nutritious, easily digestible, and has a lower glycaemic index than white potato.
How do I know if my dog has a grain allergy?
The most reliable way to diagnose a grain allergy is through a veterinary-supervised elimination diet. This involves feeding your dog a novel protein and carbohydrate source for 8-12 weeks, then gradually reintroducing ingredients to identify the trigger. Blood tests and skin prick tests for food allergies are available but are less reliable than elimination diets.
Are there grain-free foods for senior dogs?
Yes, several brands offer grain-free options specifically formulated for senior dogs. These typically have adjusted calorie levels, added joint support supplements like glucosamine and chondroitin, and modified nutrient profiles. See our dog food guides for senior-specific recommendations.
Our Final Verdict
After extensive research and comparison, here are our final recommendations for the best grain-free dog foods in the UK:
If you want the absolute best grain-free dry food, Eden 80/20 leads the pack with its exceptional 80% meat content and transparent ingredient sourcing. It offers outstanding nutritional value for the price and is consistently highly rated on independent review sites.
For the best grain-free wet food, Forthglade wins with its 75% meat content, gentle steaming process, and widespread UK availability. It is affordable, palatable, and made with care in Devon.
For budget-conscious owners, Butcher’s Tripe provides excellent value and natural digestive benefits, though it is best used alongside a nutritionally complete dry food.
For dogs with sensitive digestion, Scrumbles stands out with its added probiotics and gut-friendly recipe design.
For dogs with skin issues, Wellness CORE Ocean delivers exceptional omega-3 levels that can help reduce inflammation and improve coat condition.
At dogfoodsuk.com, we believe in honest, practical advice. Grain-free dog food is not a magic solution, but for the right dog — particularly those with genuine grain sensitivities — it can make a genuine difference to their health and happiness. The key is choosing a high-quality product from a reputable brand, following proper transition guidelines, and always keeping your vet in the loop.
We hope this guide helps you find the right food for your four-legged family member. If you found this helpful, please share it with other UK dog owners who might be navigating the same decision. And if you have questions or experiences with any of these brands, we would love to hear from you.
