MMS is 22.4% sodium chlorite. That means it has 224000 PPM. If you take the amount you use and divide it by the amount you dilute it with, you end up with the concentration of your dose.
A 3 drop dose mixed according to the Miracle-Mineral-Supplement protocol has a concentration of about 200 PPM.
The body has a remarkable ability to heal, so I think you can recover from oxidative stress. However there is a limit.
Usually you take antioxidants to counter the free radicals produced during oxidation.