NAC does not cause rash or flushing as Niacin. Men on high doses of testosterone have low HDL.
Pharmacol Res. 1993 Oct-Nov;28(3):213-8.
Dose-related increase of HDL-cholesterol levels after N-acetylcysteine in man.
Franceschini G, Werba JP, Safa O, Gikalov I, Sirtori CR.
Source
Centre E. Grossi...