Medically reviewed by Suzanne Fisher, RD Probiotic toothpaste contains beneficial bacteria that can supposedly improve oral and gut health. While it could be a helpful addition to an existing ...

It might be the best product in the world, but that doesn't mean people will try it. What does it take to get consumers to try something new — like toothpaste tablets?

Purple toothpaste is growing in popularity on TikTok but does it work? Two dentists answer that question, and share more about the product.