Catalytic cycle of (A) selenium dependent Gpx (SecGpx) and (B) Download Scientific Diagram Glutathione Peroxidase: An Antioxidant Enzyme In Health And Disease Fig. 3. The Selenoprotein Glutathione Peroxidase 4: From Molecular Mechanisms to Novel Therapeutic Opportunities Glutathione Recycling pathway Glutathione is involved in detoxification. The graphic shows that riboflavin is needed for glutathione reduction. Selenium supports utilization of glutathione. #dirtygenes #glutathione #riboflavin 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