HUBERMAN: And there are a lot of studies in rats, in mice, and a few other species as well
Triple agonists like Retatrutide target GLP-1, GIP, and glucagon receptors
Ferritin (iron stores), Vitamin D, zinc, and B12 are the most clinically relevant
Important milestones in the GHK-Cu literature include the original 1973 identification of GHK as a plasma-derived cell proliferation factor, the recognition of the copper-binding role in the late 1970s, the wound healing and collagen research of the 1980s and 1990s, the establishment of GHK-Cu as a cosmetic ingredient in the 1990s and 2000s, and the transcriptomic expansion of the research literature in the 2000s and 2010s
When the body encounters these substances, it releases histamine and other inflammatory mediators, triggering the familiar cluster of symptoms: sneezing, nasal congestion, itchy or watery eyes, and an itchy throat or palate