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If your lab's entire mission is to screen novel compounds for any biological activity at all, then it could be a candidate

It is an FDA-approved drug in many countries for treating hepatitis and as an immune adjuvant

they also up-regulate MCP-1 and other molecules that are responsible for monocyte-macrophage recruitment

However, most glutathione supplements other than liposomal forms exhibit poor bioavailability, which is why researchers use two of glutathiones precursors: the amino acids cysteine (in the form of N-acetylcysteine, or NAC) and glycine.* Research in the past few years has examined the benefits of a supplement that combines glycine and NAC (GlyNAC) with promising results