I use a similar product, LEF Florassist Oral https://www.lifeextension.com/vitamins-supplements/item02120/florassist-oral-hygiene https://www.lifeextension.com

I use a similar product, LEF Florassist Oral https://www.lifeextension.com/vitamins-supplements/item02120/florassist-oral-hygiene https://www.lifeextension.com/vitamins-supplements/item02120... That has BLIS M18™ and Immuno-LP20® BLIS M18: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9012604/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9012604/ I have not noticed any difference.