disulfiram glutathione Advancing Cancer Therapy with Copper/Disulfiram Nanomedicines and Drug Delivery Systems Frontiers | Disulfiram in glioma:

A 2016 meta-analysis found insufficient evidence for oral glutathione

[DOI] [PubMed] [Google Scholar] 112.Kotowski U., Heiduschka G., Kadletz L., Fahim T., Seemann R., Schmid R., Schneider S., Mitterbauer A., Thurnher D

Contraindications for investigational use should be discussed with a healthcare provider and may include Wilsons disease (a copper accumulation disorder), pregnancy (no data), or known allergy to copper/peptides

And if you look at a biochemistry textbook, you may be misled into thinking what you usually do with it is automatically send it out into the blood, to go to the liver, to be converted back to glucose, to come back to the muscle, to be turned into lactate again