glutathione before and after black skin Oral has been everyone on my timeline but does it actually work?! Looking at the data, it’s very modest to be honest. I’d recommend sticking to what we know works fo hyperpigmentation in Glutathione for skin lightening -

Introduce carefully Retinoids, acidic vitamin C, exfoliating acids and multiple new products may need gradual introduction rather than immediate stacking

Abnormal glutathione transport in cystic fibrosis airway epithelia

At The Velvet Skin Centre in Indira Nagar, Lucknow, we believe in results that come from science, not shortcuts

Contaminated or under-dosed research material can distort study results independent of the peptide's actual biological activity

For use in vitamin B12 deficiency associated with cobalt deficiency in cattle and sheep and for vitamin B12 deficiency associated with inadequate vitamin B12 intake or intestinal malbsorption in swine and horses.

However, it is important to emphasise that whilst these mechanisms are biologically plausible, there is insufficient high-quality clinical evidence for glutathione supplementation as a treatment for fatty liver disease