Thanks for the info about Monolauren. I happen to really like coconut oil, but there may be others who prefer getting this ingredient by itself.

Here are some other potential sources of fluoride that you might want to avoid:

Insecticides

Refrigerants and propellants. The aerosol propellant, 1,1,1,2-Tetrafluoroethane is not supposed to cause any symptoms at low concentrations. Yet... (see section titled "Ringing in Ears"):

http://fluoridealert.org/pesticides/...-pesticide.htm

By the way, before 2001 when PFOS chemicals were supposed to be phased out, you could have been exposed to fluoride from insecticides like Raid, and even from Scotch Guard:

http://fluoridealert.org/pesticides/....sulf.page.htm