Selenocysteine muscle pain ** **A lack of selenium cause muscle pain mechanism of action.** Selenium exerts its biological functions via molecules called selenoproteins which contain the amino acid cysteine with Selenocysteine containing Glutathione peroxidase biosynthesis model Download Scientific Diagram Glowderm L Glutathione and Vitamin C Cream 30G Skin Lightening & Radiance Enhancer 2HE3: Crystal structure of the selenocysteine to cysteine mutant of human glutathionine peroxidase 2 (GPX2)