KB Glutathione or known as “Kyusoku Bihaku” or KB Glutanac Activator). The only Glutathione Activator or Precursor in the market which composed of high / purest quality raw materials with KB Rosehips. Note that we are not GLUTATHIONE reduced form. Because, GLUTATHIONE is ONLY produce by your OWN Cells. KB Glutathione Activator plus NAC with KB Rosehips contains NAC or “N-Acetyl-L-Cysteine” wherein according to most of the research raises glutathione level in our body something that ARTIFICIAL REDUCED GLUTATHIONE supplements cannot do.