Does Gluten Cause Selenium Deficiency? Gluten Free Society 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 Co Enzyme Q10 Astaxanthin L Carnitine L Glutathione Lycopene Selenium Vitamin C Vitamin D3 and Zinc Tablets Third Party Manufacturers Glutagem Glutathione How It Works & Key Benefits Glutagem UK