๐Ÿ† Complete Buyer's Guide ยท Dog Food

Large Breed Dog Food for Dogs with Bad Breath: Top Picks

Bad breath in large breed dogs often signals dental or digestive issues. We compared 5 top picks, including Purina Pro Plan Large Breed Shredded Blend, with probiotics and large kibble to tackle both problems.

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Purina Pro Plan Large Breed Adult Shredded Blend Chicken & Rice โ˜… Top Pick: Purina Pro Plan Large Breed Adult Shredded Blend Chโ€ฆ Check Price on Amazon →
80%
of bad breath cases linked to dental or digestive issues
25%
average protein content in large breed adult foods
350
calories per cup typical for large breed formulas
2
weeks to see improvement in breath after diet change
โšก Key takeaways
  • Best Overall: Purina Pro Plan Large Breed Adult Shredded Blend Chicken & Rice. This formula combines large breed kibble with tender shreds, plus probiotics and natural f.
  • Best for Sensitive Stomach: Hill's Science Diet Large Breed Sensitive Stomach & Skin Chicken & Barley. Designed for large breeds with digestive sensitivity, this food uses prebiotic fiber and e.
  • Best Budget: Diamond Naturals Large Breed Adult Chicken & Rice. An affordable option with real chicken first, plus probiotics and superfoods like kale.
  • Best Grain-Inclusive: Blue Buffalo Life Protection Large Breed Adult Chicken & Brown Rice. This grain-inclusive formula features deboned chicken, whole grains, and LifeSource Bits (.
  • Best High Protein: Wellness CORE Large Breed Chicken & Turkey. A high-protein, grain-free option with probiotics and omega fatty acids.
At a Glance

Quick Comparison

Quick answer

Our top pick is Purina Pro Plan Large Breed Adult Shredded Blend Chicken & Rice. It combines large breed kibble with probiotics and fiber to aid digestion and reduce breath odor. For a budget option, Diamond Naturals Large Breed Adult offers similar benefits. If your dog has a sensitive stomach, Hill’s Science Diet Large Breed Sensitive Stomach is ideal.

What to consider for Large Breed Dog Food For Dogs With Bad Breath

Bad breath in large breed dogs often stems from dental plaque, gum disease, or digestive issues. Large breeds are prone to periodontal disease due to their mouth size and chewing habits. A food with larger kibble texture can help scrape teeth, while probiotics and fiber improve gut health. Avoid foods with high sulfur content from low-quality proteins or excessive fillers, which can worsen breath.

What to look for in a dog food

Choose a food that is AAFCO complete and balanced for your dog’s life stage (adult or large breed puppy). Look for a named meat as the first ingredient (e.g., chicken, lamb, salmon). Protein should be around 20 to 30 percent, fat 10 to 18 percent, and calories 300 to 400 per cup for large breeds. Ensure the kibble size is appropriate for large jaws. Joint support (glucosamine, chondroitin) and omega fatty acids (for skin and coat) are beneficial. Avoid foods with excessive carbohydrates or artificial additives.

How we chose these picks

  • Evaluated ingredient lists for named protein sources and absence of unnamed meat meals.
  • Checked that each formula is AAFCO complete and balanced for the intended life stage.
  • Selected products with large breed-specific kibble size and nutrient profiles.
  • Prioritized formulas with added probiotics or prebiotic fiber for digestive health.
  • Considered customer feedback on breath improvement and overall palatability.
  • Ensured products are from reputable brands with established quality control.
  • Compared price per pound to offer options at different budgets.
  • Never ranked a product higher just because it pays a commission.

What to avoid

  • Avoid foods with unnamed “meat meal” as the only protein source; opt for named meals like chicken meal.
  • Do not default to grain-free or legume-heavy recipes; the FDA DCM investigation is ongoing, and grain-inclusive is safer unless a vet advises otherwise.
  • Avoid all-life-stages food for a large breed puppy; they need large breed puppy specific formulas to control growth rate.
  • Avoid abrupt diet switches; transition over 7 to 10 days to prevent digestive upset.

For more guidance, visit our dog guides, dog food, and dog health sections.

Why this matters

Bad breath in large breed dogs is often a sign of dental or digestive issues, and choosing a large breed specific kibble with probiotics and larger texture can help address both.

The Options

Types Explained

Dry Kibble

Crunchy kibble that helps mechanically clean teeth and reduce plaque. Most large breed formulas are dry for convenience and dental benefits.

Best for: Dogs that need dental support and owners who prefer shelf-stable food.

Wet Food

Canned or pouch food with high moisture content. It can be easier to eat but does not provide dental scrubbing action.

Best for: Dogs with dental pain or those who need extra hydration.

Grain-Inclusive

Contains whole grains like brown rice or barley. These provide fiber and are generally safer for heart health per current FDA guidance.

Best for: Most large breed dogs without grain allergies.

Limited Ingredient

Fewer ingredients to minimize food sensitivities. Often single protein source and limited carbs.

Best for: Dogs with suspected food allergies or intolerances causing bad breath.
The Rankings

Top 5 Picks

#1
Purina Pro Plan Large Breed Adult Shredded Blend Chicken & Rice
Best Overall

Purina Pro Plan Large Breed Adult Shredded Blend Chicken & Rice

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This formula combines large breed kibble with tender shreds, plus probiotics and natural fiber to support digestion and freshen breath. It contains glucosamine for joints. The only downside is the higher price compared to some budget brands.

#2
Hill's Science Diet Large Breed Sensitive Stomach & Skin Chicken & Barley
Best for Sensitive Stomach

Hill's Science Diet Large Breed Sensitive Stomach & Skin Chicken & Barley

View on Amazon

Designed for large breeds with digestive sensitivity, this food uses prebiotic fiber and easily digestible ingredients to reduce gas and bad breath. It also includes omega-6s for skin health. A limitation is that it may not be suitable for dogs with chicken allergies.

#3
Diamond Naturals Large Breed Adult Chicken & Rice
Best Budget

Diamond Naturals Large Breed Adult Chicken & Rice

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An affordable option with real chicken first, plus probiotics and superfoods like kale. It supports digestion and helps control breath odor. The trade-off is that it contains less joint support than premium brands.

#4
Blue Buffalo Life Protection Large Breed Adult Chicken & Brown Rice
Best Grain-Inclusive

Blue Buffalo Life Protection Large Breed Adult Chicken & Brown Rice

View on Amazon

This grain-inclusive formula features deboned chicken, whole grains, and LifeSource Bits (antioxidants). It promotes dental health through crunchy kibble and includes glucosamine. A drawback is that some dogs may not like the bits.

#5
Wellness CORE Large Breed Chicken & Turkey
Best High Protein

Wellness CORE Large Breed Chicken & Turkey

View on Amazon

A high-protein, grain-free option with probiotics and omega fatty acids. It supports lean muscle and fresh breath. However, grain-free diets are not recommended for all dogs due to potential DCM concerns; consult your vet.

Before You Buy

Key Buying Factors

01

Kibble Size and Texture

Large breed dogs need larger kibble to encourage chewing, which helps scrape plaque. Crunchy textures also promote saliva production, reducing bacteria that cause bad breath.

02

Probiotics and Digestive Health

Probiotics and prebiotic fiber improve gut flora, reducing gas and odor from digestion. Look for ingredients like dried fermentation products or chicory root.

03

Protein Source Quality

High-quality, named proteins (chicken, lamb, fish) are easier to digest and produce less odor than low-quality meals or by-products. Avoid foods with excessive protein that may cause gas.

04

Omega Fatty Acids

Omega-3 and omega-6 fatty acids support skin and coat health, which can reduce oral inflammation and bad breath. Sources include fish oil and flaxseed.

05

Avoid Artificial Additives

Artificial colors, flavors, and preservatives can contribute to digestive upset and bad breath. Choose foods with natural preservatives like vitamin E.

Living With It

Care, Cost and Maintenance

Daily Dental Care

Brush your dog's teeth daily with a pet-safe toothpaste. Dental chews and water additives can also help reduce plaque and freshen breath.

Regular Vet Checkups

Annual dental exams and cleanings are crucial. Bad breath can indicate periodontal disease, which is common in large breeds.

Proper Feeding Schedule

Feed measured meals twice a day rather than free-feeding. This helps digestion and reduces food particles that cause odor.

Pro tip

Add a dental water additive or offer dental chews daily to complement the diet and further reduce plaque buildup.

Frequently asked questions

How much should I feed my large breed dog with bad breath?
Feeding amounts vary by brand, but a typical large breed adult (50 to 80 pounds) needs 3 to 4 cups of dry food per day, split into two meals. Check the feeding guide on the bag and adjust based on your dog's activity level and weight. Overfeeding can cause obesity and worsen breath.
How many calories does a large breed dog need daily?
An adult large breed dog (50 to 80 pounds) generally needs 1,200 to 1,800 calories per day. Less active dogs require fewer calories. Use the food's calorie per cup information to calculate portions. Consult your vet for a precise recommendation.
Is grain-free dog food safe for large breeds?
Grain-free diets have been linked to a potential risk of dilated cardiomyopathy (DCM) in some dogs, according to an ongoing FDA investigation. For most large breeds, grain-inclusive foods are considered safer unless a veterinarian specifically recommends grain-free for a medical reason.
Can I feed large breed puppy food to my adult dog?
No, large breed puppy food has higher calories and nutrients for growth. Feeding it to an adult can lead to obesity and joint issues. Stick to adult large breed formulas for dogs over 12 to 18 months.
What should I feed an overweight large breed dog with bad breath?
Choose a weight management formula with lower calories and fat, but still high in protein to maintain muscle. Look for added fiber to promote fullness. Always consult your vet before starting a weight loss plan.
What is the best food for a senior large breed dog with bad breath?
Senior large breed formulas often have lower calories, added joint support, and easily digestible proteins. Look for foods with probiotics and omega fatty acids to support digestion and oral health. Hill's Science Diet and Purina Pro Plan offer senior large breed options.
Are there specific foods for large breed dogs with bad breath?
Yes, many brands offer large breed specific formulas that include larger kibble for dental cleaning and added probiotics for digestion. These can help reduce bad breath. Always choose a formula appropriate for your dog's life stage.
Is dry or wet food better for bad breath?
Dry kibble is generally better because the crunching action helps scrape plaque off teeth. Wet food can stick to teeth and contribute to odor. However, if your dog has dental pain, wet food may be easier to eat. You can also mix both.
Can changing food alone fix my dog's bad breath?
Diet change can significantly improve breath if the cause is digestive or dietary. However, persistent bad breath may indicate dental disease, kidney issues, or other health problems. If breath does not improve after a few weeks, consult your veterinarian.
A note on advice: This guide is general information, not a substitute for professional veterinary advice. Talk to your vet before changing your dog's diet or care routine, especially if your dog has allergies, kidney disease, pancreatitis, obesity, heart disease or any other medical condition.
Transparency

How we made this guide

How we chose. We compared the options on the factors that matter most for Dog Food, using manufacturer specifications, aggregated verified owner reviews and editorial comparison. We rank independently: no brand pays for placement, and affiliate commissions never influence our picks.

How it was written. This guide was researched, reviewed and edited by the ProPawPicks editorial team for accuracy and usefulness. We have not personally tested every product; where we have not, rankings rely on verified specs, owner feedback and expert comparison rather than a hands-on review.

Affiliate disclosure. ProPawPicks is reader-supported. If you buy through links on our site, we may earn a commission at no extra cost to you. See our affiliate disclosure.

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Sources and further reading

Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.