glutathione iv for skin whitening before and after Understanding Injection The Ultimate Skin Brightening Secret:

Community reports sometimes describe injectable GHK-Cu as contributing to hair improvements alongside skin and healing benefits, but these are self-reported observations without controlled conditions

On the other hand, insulin is a potent stimulant of lipid synthesis, antagonising TG breakdown

Ren J, Su D, Li L, Cai H, Zhang M, Zhai J, Li M, Wu X, Hu K (2020) Anti-inflammatory effects of Aureusidin in LPS-stimulated RAW264.7 macrophages via suppressing NF-B and activating ROS- and MAPKs-dependent Nrf2/HO-1 signaling pathways

A study tracking glutathione levels in 30 healthy participants with insomnia found that glutathione activity was significantly lower in those with insomnia