glutathione binding site gst S-transferase Toxicity of Glutathione-Binding Metals: A
Description
No major toxicological red flags have been identified in preclinical studies

Ballabh P, Braun A, Nedergaard M (2004) The bloodbrain barrier: an overview: structure, regulation, and clinical implications

In simple words

(PubMed) Cho HJ, Lim do Y, Kwon GT, et al

Glutathione Transferases, Regulators of Cellular Metabolism and Physiology