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Selenium - Se . Element. Trace quantities are required for p53 gene activity. Varies in level according to place. Brazil nuts contain it.

LogoKeyPointsBox.pngThere is no evidence to recommend selenium supplementation in those without a demonstrated deficiency state.[1]

Deficiency is associated with cardiomyopathy, sometimes known toponymously as Keshan disease. Deficiency per se may not be responsible, but may make the individual more susceptible to viral infections.[2]. There are other potential associations of deficiency as with prostatic cancer[3].

Excess amounts may be associated with increased risk of type 2 diabetes[4].

Selenium sulphide is used as a lotion or shampoo for treatment for dandruff and fungal skin infections, e.g. tinea capitis or pityriasis versicolor.


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