It's a naturally occurring copper-binding peptide first isolated from human plasma in 1973 by biochemist Loren Pickart, who noticed that older liver tissue regenerated better when exposed to plasma from younger donors
Ciba Found Symp , 212, pp
The peptide is not FDA-approved for any indication, and carriers do not reimburse off-label peptide therapy regardless of the clinical justification
GHRP-2 sits firmly in the peptide-GHS row: a ghrelin-receptor agonist, potent, historically pivotal, diagnostically useful, and therapeutically unproven in long-term trials
After stopping the coloration reaction, optical density measurements were taken at wavelengths of 450 and 545 nm (Figures 1e and 2a,d)