H 2 O 2 and O 2 are combined in the Fenton and Haber-Weiss reaction, which is catalyzed through transition metal ions like Fe 2+ which yield hydroxyl radicals (Walter et al., 2020)
The time taken to see the results of glutathione for skin whitening in a patient may vary, but as a general rule, noticeable effects on the tone and texture of the skin manifest after some sessions, which often falls within 6 weeks of treatment
The only variable becomes the delivery route itself
Unlike oral supplements, the injectable form delivers glutathione directly into tissue, which may help support more consistent absorption
In any case, the 2019 paper alluded to the effect of 300mg ALA supplementation, taken thrice daily, on HIV-infected adults