GHK-CU is a copper(II)-complexed tripeptide (molecular weight: ~401 g/mol) consisting of glycine-histidine-lysine chelated to copper ions, naturally present in human plasma
Gastroesophageal reflux can cause erosive esophagitis, which can lead to iron deficiency anemia, but it is unlikely in the absence of heartburn, regurgitation, and dysphagia
Ideally you want a vendor that operates through a licensed pharmacy, requires a prescription, and is transparent about sourcing, testing, and medical oversight
Never freeze reconstituted peptide, as ice crystals damage molecular structure
Individuals diagnosed with pernicious anemia, a condition where the body cannot absorb B12 from the digestive tract, are prime candidates for these injections