GHK-Cu dressings for diabetic foot ulcers: RCT
GSH brain concentrations are not commonly measured using 1 H-MRS, because relative to other 1 H-MRS-detectable neurochemicals (e.g., creatine (Cr), choline, N -acetylasparate), GSH concentrations are substantially lower
Neuroendocrinology 83 , 264268 (2006)
Clinical studies consistently report elevated circulating and central levels of pro-inflammatory cytokines, including interleukin-1 (IL-1), interleukin-6 (IL-6), and tumor necrosis factor- (TNF-), in patients with major depressive disorder, with cytokine concentrations often correlating with symptom severity, illness chronicity, and treatment resistance (30, 32)
While some of this research is credible, there can be a conflict of interest , as these studies are often focused on promoting their own products