Women typically start with 50mg daily and may progress to 75mg if well-tolerated
A limiting effect of substrate availability could easily explain increased IPSCs with GAD but not Aldh1a1 over-expression in GAT1-knockout animals (Melani and Tritsch, 2022)
Zhang, D., Rong, Y., Hu, Y., Mei, A
What makes BPC-157 distinctive among research peptides is a combination of three properties rarely found together: it has no sequence homology to any other known peptide, it is completely stable in human gastric acid for at least 24 hours (unlike most growth factors and peptide analogues, which are rapidly degraded), and it remains active across an exceptionally broad effective dose range from nanogram to microgram per kilogram bodyweight in pre-clinical models without any known toxic dose having been established in animal studies to date
The second is albumin-mediated half-life extension
But the most important answer is regulatory and medical: injectable GHK-Cu is not FDA-approved, and this article should not be used as self-injection instruction