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Other claims Recently, vitamin B12 injections and infusions have become popular among healthy people who dont appear to have a deficiency
In these cases, patients pay out of pocket
It is a 29-amino acid polypeptide representing the 129 fragment from endogenous human GHRH, thought to be the shortest fully functional fragment of GHRH
Our bodies dont naturally produce vitamin B12, meaning we have to get it from an outside source
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