Their study found that a drug called N-acetylcysteine (NAC), already approved by the FDA for other uses, may help patients feel less pain after surgery and use fewer opioids during recovery.

L-methylfolate calcium (Metafolin) 6mg, Algae-S powder 90.314mg, methylcobalamin 2mg, N-acetylcysteine 600mg; caplets. Avoid if renal stones occur. Do not administer to critically ill patients ...

Objective: To investigate the efficacy and tolerability of high-dose N-acetylcysteine (NAC) in the treatment of patients with exacerbations of chronic obstructive pulmonary disease (COPD).