It's just probiotics
It's only been 30 days so  I can't be sure that it's not working, but it certainly seems that way.  When I first checked the label I shocked that it is only 5 strains of probiotics--not really the "proprietary blend" I expected to see.  Most of the time I can't see any difference, but for 2 or 3 days I had sore gums, mostly the lower, but it as something new for me.  That  may mean it is doing the opposite of what is claims to do.  If that is true then my rating should have been a 1.
Rating: 3 stars