Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This substance, MMS (Master Mineral Solution), has not been FDA approved to diagnose, cure, mitigate, treat, or prevent any disease. Chlorine Dioxide is also called MMS throughout this website. Chlorine Dioxide Solution also known as MMS (Master Mineral Solution) is made of Sodium Chlorite 28% (22.4 Sodium Chlorite 5.6% Inert Salts and the remainder water) and an acid activator (usually 50% Citric Acid or 4% Hydrochloric Acid). License: Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.