The powder form is stable for extended periods under these conditions
Abels, Improved distribution analysis of cobalamins and cobalamin analogues in human plasma in which the use of thiol-blocking agents is a prerequisite, Clinica Chimica Acta, Volume 131, Issue 3, 15 July 1983, Pages 211-224, ISSN 0009-8981 Thakkar, K., & Billa, G
Jak rekonstytuowac BPC-157: krok po kroku z wod bakteriostatyczn Rekonstytucja liofilizowanego, czyli mroonoschnianego, peptydu takiego jak BPC-157 oznacza rozpuszczenie proszku w sterylnym pynnym rozpuszczalniku
Its worth noting that adverse effects are not common with high supplemental vitamin B12 intake, however, there is also no strong evidence to show that it has benefits in people who are not already deficient (largely due to the fact that your body only stores as much B12 as it needs and any excess will be excreted through your urine)