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Researchers rely on this documentation because impurities or degradation products can introduce confounding variables into a study, making results difficult to attribute to the compound being tested

B12 absorption depends heavily on intrinsic factor binding in the stomach and transit time through the small intestine

Understanding these potential effects helps patients make informed decisions about their supplementation regimen and recognise when symptoms warrant medical attention

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The same dual-peptide pairing now comes in rinse-off form too: our GHK-Cu + AHK-Cu shampoo puts 4,000 mg of both peptides into the cleansing side of the routine, so you don't have to choose between them there either