how do you store vitamin b12 injections need to be refrigerated? B12 Injection sites + How

Explicitly claims L-alanyl-L-histidyl-L-lysine:copper(II) as a composition and describes both intradermal injection formulations (100-500 micrograms per 0.1 mL in saline/sterile water) and topical formulations

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A pharmacokinetic study in rats found that oral administration produced substantial plasma concentrations, with a maximum concentration of 2252 ng/mL and an elimination half-life of approximately 6.9 hours

Unlike oral supplements, these injections bypass the digestive system, ensuring maximum absorption and faster results

There are no clinical trials, and injectable/in-vivo data come from the sister peptide GHK-Cu in animals