The goal is preventing severe nausea that makes you quit
Glutathiones role in this second phase is vital, it attaches to heavy metals, pollutants, and metabolic byproducts, making them water-soluble for easy excretion (NIH)
It may also support the bodys natural defence mechanisms against environmental pollutants
Also, it has been shown that a longer duration of supplementation might be more effective
doi:10.1016/j.scitotenv.2013.08.079 Peysson W, Vulliet E (2013) Determination of 136 pharmaceuticals and hormones in sewage sludge using quick, easy, cheap, effective, rugged and safe extraction followed by analysis with liquid chromatographytime-of-flight-mass spectrometry