The point is to keep the floor from dropping too low
A pivotal RCT in 116 cannabis-dependent adolescents found that NAC (1,200 mg twice daily) more than doubled the odds of a negative urine cannabinoid test compared to placebo (OR 2.4, 95% CI 1.1-5.2) (Gray et al., Am J Psychiatry, 2012) [76]
however, they most likely act primarily on the hypothalamic level, modulating the rhythmic interaction of GHRH-SS and, in particular, the availability of SS [61]

Key symptoms that warrant medical attention include: Jaundice : Yellowing of the skin or whites of the eyes, indicating elevated bilirubin levels Dark urine : Brown or tea-colored urine that persists beyond initial hydration status Pale or clay-colored stools : Suggesting impaired bile flow Persistent abdominal pain : Particularly in the right upper quadrant where the liver is located Unexplained fatigue : Severe tiredness that interferes with daily activities Nausea and vomiting : Especially when persistent and unexplained by other causes Loss of appetite : Significant decrease in food intake beyond expected effects of the medication Easy bruising or bleeding : Potentially indicating impaired liver synthetic function Emergency warning signs requiring immediate medical care include mental status changes or confusion, significant bleeding, and severe abdominal pain with fever