This caffeine dose is equivalent to that found in one cup of brewed coffee or in one can of commercial soft drink
Berk M, Copolov D, Dean O, Lu K, Jeavons S, Schapkaitz I, Anderson-Hunt M, Judd F, Katz F, Katz P, Ording-Jespersen S, Little J, Conus P, Cuenod M, Do KQ, Busha AI: N-acetyl cysteine as a glutathione precursor for schizophreniaa double-blind, randomized, placebo-controlled trial
It is recommended that IVs are set to drip slower for first-time users to minimize negative side effects, which may include dizziness, discomfort, or nausea
For example, a small study with eight healthy elderly adults and a control group of eight younger subjects had the elderly take 0.81 mmol NAC per kg per day (around 132 mg/kg/day) and 1.33 mmol glycine/kg/day (roughly 100 mg/ kg/day) for 14 days