John Sankey wrote: :: There is data at the USDA :: http://www.nal.usda.gov/fnic/foodcomp/index.html :: that is claimed to be in ug/100g (there is a note at the end that :: agrees that this is ppm*100). :: :: Some is available from the US Agricultural Research Service via :: http://64.177.90.157/pfpc/html/f-_in_food.html :: that is claimed to be in ppm, but has very similar numbers to the :: USDA. :: :: References to studies are provided by the BC government :: http://wlapwww.gov.bc.ca/wat/wq/BCguidelines/fluoride/fluoridetoo-14.html#P1425_142839 :: with ranges that seem to indicate that it is the USDA study that is :: mislabelled as to units, but the ranges are so large that's not :: certain. :: :: I'd appreciate pointers to any independent references on the net to :: fluoride in food that might help me resolve this problem.
AFAIK, fluoride and fluorine might have a different effect on your body. I think that we should strive to get fluorine. One good source is uncooked /wakame/ seaweed.