Probiotic Toothpaste Is B.S.
These products claim to balance the bacteria in your mouth.
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It turns out, both are available in toothpaste: Prebiotic types promise to balance your oral microbiome while probiotic varieties claim to fight unhealthy strains of bacteria in the mouth.
Prebiotic and probiotic toothpastes don't contain fluoride. In fact, they may do nothing at all: The FDA doesn’t recognize statements about the oral microbiome as official health claims, so these products aren’t regulated and don’t need to be backed by science, he adds.
Messina suggests you brush with a fluoride toothpaste bearing an ADA seal, which proves that it fights cavities and gum disease.