Conversely, a few studies reported high levels of vitamin B12 in the blood of patients with a worse COVID-19 outcome 48,49 potentially due to cytolysis leading to the release of intracellular B12 into the plasma and disrupted B12 clearance by the liver, which is often affected in these patients 50
It is not for human or veterinary use, consumption, or diagnostic or clinical applications.
The most notable is MK-677 (ibutamoren), which is technically not a peptide but is often discussed alongside GHRPs due to similar effects
It emphasizes GHK-Cu's role in attracting immune cells and endothelial cells to injury sites, promoting angiogenesis (new blood vessel formation), and generally accelerating wound healing in various tissues (skin, hair follicles, GI tract, bone)