is glutathione a tyrosinase inhibitor : Pigment International Glutathione as a depigmenting agent:

Control of regulatory T cell and Th17 cell differentiation by inhibitory helix-loop-helix protein Id3

Additionally, increasing evidence of a strong relationship between metabolic alterations and vitiligo pathogenesis suggests a role for other approved anti-diabetic treatments, like metformin and fibrates, in vitiligo treatment

The Microbiota-Gut-Brain axis

Effects of long-term whole-body cold exposures on plasma concentrations of ACTH, beta-endorphin, cortisol, catecholamines and cytokines in healthy females

Su X-L, Wang S-H, Komal S, Cui L-G, Ni R-C, Zhang L-R, et al

They referred to this period of time as OS, which is the start date of the supplement and the date of death from any cause