The Connection Between Tongue Scraping, Nitric Oxide & Longevity

But there’s a catch. Pathogenic bacteria and yeast, such as Candida, prefer to colonize the upper surface of the tongue, forming a sticky biofilm that crowds out the beneficial microbes. That biofilm doesn’t just cause bad breath. It can interfere with nitric oxide production, tip the balance toward inflammation, and potentially impact cardiovascular health over time.