MMS does not break down to chlorine or chlorate. It can also improve liver enzymes which indicates an improved liver. Sodium chloride, table salt , which has a chlorine molecule in it also does not break down to chlorine in the body.
Oxygen is an oxidizer. Your body cannot not live without oxidizers. Miracle-Mineral-Supplement is a mild oxidizer. Milder than ozone therapy which has been in medical use for over 50 years. It will not break down vitamins etc. It will kill pathogens. Hydrogen Peroxide is an oxidizer that your body produces on its own.