Regarding Fluoride, Which One is True

a diet low in chloride has been found to increase fluoride retention by reducing urinary excretion of fluoride

a diet High in chloride has been found to increase fluoride retention by reducing urinary excretion of fluoride

a diet low in chloride has been found to decrease fluoride retention by increasing urinary excretion of fluoride

Chloride has no effect on the retention and excretion of Fluoride