Controlling levels of reactive oxygen species breaks cycle of wounds that have refused to heal

... and her colleagues then returned ROS to normal levels by applying two strong antioxidant supplements, vitamin E and N-Acetyl cysteine. Vitamin E reduces the levels of the oxygen radicals, and N-Acetyl cysteine stabilizes the antioxidant enzyme pool, ...

http://www.eurekalert.org/pub_releases/2013-12/asfc-clo112713.php