Purification is typically performed using high-performance liquid chromatography, and analytical verification methods such as mass spectrometry are used to confirm peptide identity
Nagtegaal JE, Kerkhof GA, Smits MG, Swart AC, Van Der Meer YG
You should expect to see full results from each session at about a month after injection, at which time you should come in for your next session until you have reached the desired level of correction
10.1152/ajpcell.00001.2016 10 FreitasR.MartinsA.SilvaJ.AlvesC.PinteusS.AlvesJ.et al (2020)
BPC-157 (Peptides, Part 2): What the Evidence Shows The compound is unapproved by the FDA, the demand is real, and the clinical reasoning that sits between those two facts Two distinct biological profiles depending on how its taken, a regulatory classification that places it outside standard compounding protections, and an internet reputation that outpaces both
PMID 33053716