What's the link between oral health and nitric oxide production?
Oral health and nitric oxide (NO) are closely linked, as the mouth plays a key role in the production of this molecule essential to overall health. Here’s how the two are interconnected:

1. Nitric oxide production in the mouth
- Conversion process :
Nitric oxide is produced in the body from L-arginine (an amino acid) and dietary nitrates. Nitrates, present in certain vegetables (such as spinach, beet and celery), are absorbed by the intestine and excreted in saliva.
- Role of oral bacteria :
In the mouth, beneficial bacteria convert nitrates into nitrites, which are then converted into nitric oxide in the stomach and blood vessels. This process depends on healthy oral flora.
2. Impact of poor oral health
- Microbiome imbalance:
Poor oral hygiene (cavities, gingivitis, periodontitis) can upset the balance of oral bacteria, reducing their ability to convert nitrates into nitrites and nitric oxide.
- Reduced NO production :
If beneficial bacteria are replaced by pathogenic ones, nitric oxide production decreases, which can affect cardiovascular health, blood pressure and immune function.


3. The role of nitric oxide in health
- Cardiovascular health :
Nitric oxide is a powerful vasodilator, which means it helps dilate blood vessels, improving circulation and regulating blood pressure.
- Immune function :
It plays a role in defending against pathogens by acting as an antimicrobial molecule.
- Cognitive and muscular health :
NO is also involved in nerve cell communication and muscle performance.
4. How can we preserve this relationship?
- Optimal oral hygiene:
Brush your teeth twice a day, floss and see a dentist regularly to maintain a healthy oral microbiome.
- Nitrate-rich diet:
Eat nitrate-rich vegetables (beet, spinach, arugula) to support nitric oxide production.
- Avoid excessive antibacterial mouthwashes:
Mouthwashes can kill the beneficial bacteria needed to convert nitrates. Use in moderation.
Conclusion
Oral health is essential for optimal production of nitric oxide, a molecule crucial to cardiovascular, immune and overall health. By taking good care of your mouth and adopting a nitrate-rich diet, you support this natural process and contribute to your overall well-being.


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