glutathione chemspider Toxicity of Glutathione-Binding Metals: A Review of Targets and Mechanisms and potassium sorbate (0.1%) as other ingredients Chemical structure of L-glutathione. Elaborated
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(2022) 63:942A0411
Deja S, Dawiskiba T, Balcerzak W, Orczyk-Pawiowicz M, Gd M, Paweka D, et al

Human sulfide:quinone oxidoreductase catalyzes the first step in hydrogen sulfide metabolism and produces a sulfane sulfur metabolite

Researchers study it in the context of nicotinamide N methyltransferase activity, methylation related pathways, and cellular metabolism