Selenium, a trace mineral essential for health cheloveka.Vhodit part of more than 200 enzymes in the body and hormones, regulating the work of all organs and systems .Neobhodim especially for the musculoskeletal system, thyroid, slows the aging process ... The price is very affordable, even cheap., because it can selenium yeast (it contains 20-30% organic selenium, the inorganic-rest) .Observe short courses. (development of fungal dysbiosis)