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Bottom line: Choosing a supplement with high bioavailability means you can take smaller, more effective doses that actually reach your cells, rather than relying on high-dose powders that mostly go to waste

Its small molecular size allows it to penetrate intestinal epithelial cells directly, which is why it has attracted research interest as an orally deliverable gut-targeted compound

Rather, we want to use it to investigate the qualitative features of glutathione metabolism in the normal state and in various disease states

doi: 10.1038/s41418-019-0393-7 53 BrownCWAmanteJJChhoyPElaimyALLiuHZhuLJet al

Glutathione works with specialized enzymes like glutathione peroxidase to protect cellular components from oxidative damage