Since the dawn of this country, roughly estimated between 1.3 to 1.5 million people total have died in war
Glutathione-doxorubicin conjugate expresses potent cytotoxicity by suppression of glutathione S-transferase activity: comparison between doxorubicin-sensitive and -resistant rat hepatoma cells
GHK-Cu has more extensive human clinical research, particularly in dermatological applications
Additionally, a randomized, double-blind, placebo-controlled trial in 2,588 healthy older adults with mild hyperhomocysteinemia found that daily supplementation with 500 g of vitamin B 12 and 400 g of folic acid for two years reduced blood homocysteine concentrations but had no benefit on depressive symptoms in those with or without depressive symptoms at baseline (110)
This was a collagen-production study not a broad wrinkle-reduction trial so the scope matters
However, glutathione and milk thistle can be tricky to take as a supplement because the majority of it breaks down in the stomach before it ever reaches your cells to work its magic