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Fluorine - the tooth regulator

Beautiful teeth ...
The major task of fluorine lies in the buildup of bones and teeth. For a healthy development of the teeth children need enough fluorine. In the past children were recommended to supplement fluorine - nowadays is it tried to achieve this with fluorine-containing tooth pastes. However, with fluorine the dosage has to be attended to. With no trace element the difference between beneficial and dangerous dosage is so tight than with fluorine! If you can observe white spots on children´s teeth, they take too much fluorine. Too big amounts - 0,5 to 2 g - can lead to depressions and finally be lethal.
 
We take fluorine at about 25 % from our food, the rest we get through the drinking water.
 
Literature: Gesund durch ausreichend Vitamine, Mineralstoffe & Spurenelemente, Nährstoff-Akademie Salzburg; ISBN: 3-902472-00-6

DOSAGE - FLUORINE

RDA* 2,9 - 3,8 mg
Nutritional/medical dosage 0,5 - 4,0 mg
*RDA = Recommended daily allowance  

Fluorine - sources

  mg/100g 3 mg corresponds to:
tea, black 9,50  
walnuts 0,68 441 g = 220 nuts
salmon 0,58 517 g = 3 1/2 portions
herring 0,48 625 g = 4 portions
whol-grain bread 0,11 2727 g = 68 slices
spinach 0,09 3333 g = 22 portions
mushrooms 0,05 6000 g = 40 portions