The Hostynek and Maibach group at UCSF measured exactly this in 2011: human skin permeation of GHK-Cu as a function of skin layer, with the result that the peptide accumulates in the upper stratum corneum but does not pass through to viable epidermis or dermis in any meaningful quantity 4
Survivors of lethal FB1 treatment had significantly higher expression of glutathione transferase from the tau class and other genes that combat oxidative stress in the tomato root, according to previous observations (Harvey et al., 2008)
6 Evidence Strength Assessment NAC has a broader and more extensively replicated human evidence base, including two published meta-analyses and RCTs across diverse clinical populations
4 , eaar5598 (2018)
Lizneva D, Suturina L, Walker W, Brakta S, Gavrilova-Jordan L, Azziz R
Whether its helping find the right product, answering technical questions, or learning how to properly store your research chemicals, they can help point you in the right direction
