Your Mouthwash is Killing You
(And What to Use Instead)
Dr. Aaron Hartman
July 25, 2023
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That blue bottle in your bathroom is attacking more than bad breath…
In this article, I’ll reveal how conventional mouthwash disrupts nitric oxide production—the master molecule for cardiovascular health—and provide you with actionable solutions that can transform your oral and overall health.
Watch my in-depth video on the mouthwash-nitric oxide connection to see the research explained in detail.
The Hidden Danger in Your Medicine Cabinet
Research confirms: regular mouthwash use can…
- Block nitric oxide production by up to 80% within just 7 days of use
- Disrupt your oral microbiome, which directly seeds your gut health
- Increase blood pressure by 2–3.5 points
- Raise your risk for cardiovascular disease and diabetes
- Elevate systemic inflammation markers
- Impair sexual function and athletic performance
Fact: what you put in your mouth matters far beyond fresh breath.
Understanding the Nitric Oxide Connection
Nitric oxide isn’t just any molecule—it’s the compound that powers medications like Viagra and nitroglycerin. Your body depends on nitric oxide to:
- Dilate blood vessels for proper circulation
- Regulate healthy blood pressure
- Support brain function and cognition
- Enhance athletic performance
- Promote healthy sexual function
- Reduce inflammation throughout the body
Here’s what most people don’t know: The nitric oxide production pathway begins in your mouth.
When you consume nitrate-rich foods like beets and leafy greens, specific oral bacteria are required to convert these dietary nitrates into nitrites. These nitrites are then absorbed and converted to nitric oxide in your bloodstream.
When you use conventional mouthwash, you kill these beneficial bacteria—effectively shutting down up to 80% of your body’s nitric oxide production.
This creates a cascade of negative health effects that most people never connect to their daily oral care routine.
The Mouth-Body Connection
More Critical Than You Think
In my 25 years of clinical practice, I’ve observed a consistent pattern: patients with poor oral health frequently suffer from systemic conditions like:
- Cardiovascular disease
- Diabetes
- Cognitive decline
- Chronic inflammation
- Digestive disorders
- Sexual dysfunction
Recent research confirms these connections aren’t coincidental. A landmark 2022 study in the Journal of Clinical Periodontology found that oral bacteria directly influence arterial health, while a 2023 review in Nature demonstrated how oral microbiome disruption precedes gut dysbiosis.
The most concerning finding? Even a single use of conventional antiseptic mouthwash can reduce nitric oxide production for up to 12 hours.
This is why addressing oral health without disrupting nitric oxide production is critical for your overall wellbeing.
The Better Approach to Oral Health
3 Science-Backed Solutions
If you’re experiencing any of these warning signs, your oral microbiome needs attention:
- Gum inflammation or bleeding
- Persistent tartar buildup
- Bad breath that returns quickly after brushing
- White coating on your tongue
- Tooth sensitivity
- Dry mouth
Instead of reaching for conventional mouthwash that destroys your nitric oxide pathway, consider these evidence-based alternatives:
1. Targeted Oil Pulling
Oil pulling with organic coconut or olive oil for 5–10 minutes twice daily has been shown to selectively reduce harmful bacteria while preserving beneficial nitrate-reducing species. A 2021 study in the Journal of Traditional and Complementary Medicine found that oil pulling reduced plaque by 52% and gingival inflammation by 48%.
2. Nitric Oxide-Friendly Mouth Rinses
New essential oil-based mouth rinses preserve the beneficial bacteria needed for nitric oxide production while still addressing harmful pathogens. Look for products containing essential oils like tea tree, peppermint, and clove rather than chlorhexidine or alcohol.
3. Oral Probiotics: The Most Effective Solution
The most direct approach to restore and maintain your oral nitric oxide pathway is using specialized oral probiotics.
Oral probiotics work differently than gut probiotics. They:
- Directly colonize the mouth with beneficial bacteria
- Crowd out harmful species that cause inflammation
- Restore nitrate-reducing bacteria essential for nitric oxide production
- Create a protective biofilm that prevents pathogen adhesion
- Support healthy gum tissue and reduce inflammation
Multiple studies have shown that oral probiotics can significantly improve gum health, reduce plaque formation, and increase nitric oxide production within just 14 days of use.
The Oral Probiotic My Family Uses Daily
Prodegin™ by Klaire Labs: The Gold Standard for Oral Nitric Oxide Support
Prodegin™ is specifically formulated with 5 specialized Lactobacillus strains that have been clinically shown to:
- Restore nitrate-reducing bacteria essential for nitric oxide production
- Create a healthier balance of oral microflora
- Reduce gum inflammation and bleeding
- Decrease plaque formation and tartar buildup
- Support healthier blood pressure levels
- Improve overall oral health markers
Unlike most oral health products that merely mask symptoms, Prodegin™ addresses the root cause by rebalancing your oral microbiome and supporting your body’s nitric oxide pathway.
The convenient chewable tablet format ensures these beneficial bacteria adhere to your gum tissue where they’re needed most.