The Best Ancestral Diet

From eNewsletter 4/8/2026

DID YOU KNOW that maintaining healthy mouth bacteria protects the brain, heart, and immune system as well as your teeth?

One oral probiotic strain that has been found to be particularly protective is the Streptococcus salivarius K12 strain.

A study from Nutrients found that Streptococcus salivarius K12 exhibited a significant decrease in plaque accumulation in 4-6 weeks. The less plaque in your mouth, the less apt you are to have plaque in your brain, heart, and vasculature.

Another study from Frontiers in Immunology found that Streptococcus salivarius K12 can help restore balance within the oral microbiome and provide broad-spectrum support for ear, nose, throat, and immune health in children as well as adults.

Moreover, a study from Frontiers in Nutrition found Streptococcus salivarius K12, administered at 10 billion CFU/day, is safe and well-tolerated.

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