N-AcetylL-Cysteine is the precursor to the all-important antioxidant glutathione. It is used in hospitals to detox people from overdoses of acetaminophen (Tylenol)

I have been taking 1,800 mg/day spread out over 2-3 doses for the past month after researching it. According to all resources I've read, it is apparently very safe at that dose of below. except for lowering the amount of available mucus. Read up on it first, but I would highly recommend adding it to your daily supplements. I believe it has the potential to be a powerful ally in our journey back to recovery.