Although oral therapy with the least toxic of these compounds, glutathione monoethyl ester, did raise erythrocyte and white blood cell glutathione levels in a few affected patients (W Rhead, unpublished results), it also provoked moderate gastrointestinal irritation resulting in vomiting and diarrhea, largely precluding oral therapy with this compound or other related molecules containing free sulfhydryls
Not for pregnant or breastfeeding women, minors, or anyone with copper metabolism disorders such as Wilson's disease
However, correlation does not establish that glutathione supplementation reverses these processes
Your skin won't suddenly become darker than it was before you started treatment, but it will gradually return to your natural baseline skin tone over time
Overall health, nutrition, sleep quality, and training load all influence healing capacity