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glutathione reductase protocol Assay principle. Abbreviations: GSH, glutathione; GS-R, disulfide reductase glutathione assay protocol Protocol for
Description
More research needs to be invested in GCEE, since it has no known harmful effects and by-passes the feedback inhibition cycle of glutathione

doi: 10.1152/ajpendo.00339.2005

doi: 10.1111/ejn.12444

But it also explains why transition periods can look like worsening
