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Graham Noctor, et al The glutathione system and its regulation by neurohormone melatonin in the central nervous system Cent Nerv Syst Agents Med Chem 2010 Dec 1

D.ShibataH.et al (2004)

Furthermore, ACSL4-mediated esterification of PUFAs into peroxidation-vulnerable membrane domains establishes a self-reinforcing pathway, with elevated ACSL4 expression in stroke, AD, and PD intensifying lipid oxidative damage (Zheng et al., 2024), collectively forming an iron-dependent oxidative injury axis

They are not regulated as pharmacies or drug manufacturers, since they sell compounds strictly for laboratory use and carry clear research-use-only labeling