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[PubMed] [Google Scholar] 16.Faller B, Farley D, Nick H

Unlike most peptides, GHK-Cu exists naturally in human plasma, urine, and saliva

Thus, serum neutralization assays from infection or vaccination are run in the presence of an excess of nnAbs, which is in contrast to monoclonal nAb assays
B12 supplements often don't help and may even hurt people with sickle cell anemia, Wright says
