cysteine and glutathione reaction Figure 1 from Enzymatic “Click” Ligation: Selective Modification in Polypeptides Enabled by Promiscuous S-Transferase GLUTATHIONE SYNTHESIS - PMC
Description
Mixing it with certain medications or minerals may reduce its benefits or stress the liver

In addition to these external stresses, there are many intrinsic toxicants produced during physiological metabolism and pathological processes, including reactive oxygen species (ROS) and proinflammatory cytokines

FEBS Lett 337(1):5255

Engineered for Men's Tougher Skin

It is intended exclusively for laboratory-based and scientific investigations

Similar incidents occurred in Guatemala, Pakistan, and Ghana (for a review, see Clarkson, 2002)