Having too much fluoride in the body can lead to a number of serious health conditions including reduced IQ, hastened development of cancer, and enhanced oxidative stress. Recent research indicates that the trace mineral selenium may be effective in minimizing the toxic effects of fluoride and even ushering it out of
Both groundwater contamination and air pollution have are responsible for over 200 million people across 25 different countries having life threatening levels of chronic fluorosis. One recently released study demonstrated that people residing in areas where there was high fluoride had marked suppression of three critical endogenous antioxidants: catalase, superoxide dismutase and glutathione peroxidase in comparison to residents residing in areas with lower fluoride counts. With the relationship between oxidative stress and the development of cancer being well-known, and since too much fluoride reduces the body’s ability to withstand oxidative stress, it may also contribute to the development of cancer.
Another finding was made by the same Chinese researchers who discovered the link between high fluoride levels and cancer. Residents living in areas where there was high fluoridation who also had high levels of the trace mineral selenium have normal or even elevated levels of the three key endogenous antioxidants.
But the researchers found that those with high selenium levels had normal levels of the key antioxidants. Other research also indicates that selenium protects against fluoride toxicity in lab animals.Various studies show that selenium has halted damage to the liver, kidneys, heart and also protected against mental deterioration, all caused by excess fluoride in the body. One study even indicated that selenium increased the rate of fluoride elimination.
The bottom line? Selenium could be a valuable tool against fluoride toxicity. People living in areas where fluoride levels are high may want to consider selenium supplementation. The RDA for selenium is 55 mg daily for adults, however, many natural health professionals recommend a protective dose of 100 to 200 mg. This dosage is still well below the National Institute of Health’s upper tolerable limit of 400mg. Selenium is found naturally occurring in many foods including fish, meat, whole grain products and nuts. It is best to avoid taking selenium with high dose vitamin C or zinc as they may block absorption.