Skip to content

Free Shipping on all orders over $50

What Causes Bad Breath in Dogs? The Oral Microbiome Explained

What Causes Bad Breath in Dogs? The Oral Microbiome Explained

We all love our furry friends, but sometimes their breath can be unbearable. Unfortunately, most of the dogs (nearly 90%) by the age of 2 will have developed some form of periodontal disease, including bad breath.

While minty chews, or sprays may temporarily mask odor, they don’t tackle the real culprit—your dog’s oral microbiome.

Recent research shows that an imbalance of oral bacteria is the primary cause of halitosis (bad breath) in dogs, as harmful bacteria produce volatile sulfur compounds (VSCs) and other smelly byproducts. A study published in Animals (2025) confirms that oral microbiome imbalance is the key driver of bad breath and dental disease in canines.

The Oral Microbiome: A Tiny City of Bacteria

Your dog’s mouth is like a bustling microbial metropolis. Some bacteria protect teeth and gums, while others generate sulfur compounds that stink up breath. When harmful bacteria dominate, tartar, plaque, and halitosis become major issues.

This is where our NEW Postbiotic Dental Powder, formulated with human-grade postbiotic and Organic Icelandic kelp, comes in. Clinical trials show that our Canine Oral Health Postbiotic:

  • Reduces bad breath compounds by 27% more than placebo from baseline.
  • Significantly lowers unwanted microbes in just 7 days.
  • Reduces bad breath compounds by 85% in vitro.

These results demonstrate that targeting the oral microbiome—not just masking odors—is the key to fresher, healthier breath.

Why Masking Smells Doesn’t Work

Air-freshener-style solutions, like sprays and flavored chews, might give temporary relief but fail to address the root cause. Even brushing without microbiome support leaves harmful bacteria to rebound and continue producing foul odors.

In contrast, our postbiotic dental powder is designed to modulate the oral microbiome, suppressing odor-causing bacteria and supporting beneficial strains for long-lasting results.

How Your Dog Benefits Beyond Fresh Breath

A balanced oral microbiome doesn’t just fight halitosis—it also reduces plaque, tartar, and gum inflammation. Study data shows that our postbiotic powder disrupts harmful oral biofilms by 98% in vitro, preventing tartar buildup before it starts.

Supporting your dog’s microbiome also reduces the risk of systemic health issues, as oral bacteria can affect the heart, liver, and kidneys over time.

Practical Tips for Fresher Breath

  1. Daily use of Reggie's New Bright Bite Dental Powder with postbiotic: Sprinkle it over wet or dry food once a day. Clinical studies show our hero ingredient substantially outperforms the market-leading dental chew in reducing bad breath by 1.83 times. Providing noticeable improvement in just 7 days*.
  2. Regular brushing: Helps remove surface plaque and complements the microbiome-supportive powder.
  3. Healthy diet and chews: Support beneficial bacteria and mechanically remove plaque.

Dogs with balanced oral microbiomes not only have fresher breath but also experience healthier gums and teeth—making playtime and cuddle time even better!

Don’t settle for quick fixes that only mask odor. Supporting the oral microbiome with a clinically backed postbiotic powder tackles the root of the problem. With consistent use, you’ll notice fresher breath in just a week, reduced tartar risk, and a happier, healthier pup.

Try it today and let your dog’s breath be as sweet as your morning cuddle!

Reference:

  • https://www.mdpi.com/2076-2615/15/11/1596
  • https://pmc.ncbi.nlm.nih.gov/articles/PMC12153626/