glutathione reduce melanin production The Derivative, GSH Monoethyl Ester, May Effectively Whiten Skin but GSH Does Not Glutathione as a depigmenting agent:

It is the foundational mechanism behind glutathione for skin whitening and is backed by clinical research

Another intriguing revelation from the atomic force microscopic investigations showed that Lactobacillus kefiri P-IF adhered to the cancer cells and resulted in multiple holes in the cytoplasm and nucleus of the cancer cells [273]

The role of free radicals and antioxidants in reproduction

Whether senescent cells also activate mechanisms protecting against other types of cell death is unclear

H., Song, Y

Some chemotherapy drugs actually rely on oxidative stress to kill cancer cells, and glutathione might theoretically interfere with this mechanism