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b12 injections pharmacy uk b12 hydroxocobalamin 1mg/1ml x 5
Description
Cyanocobalamin is synthetic and needs conversion first

Allen JM, Mailing LJ, Niemiro GM, et al

This means the FDA does not review these drugs for safety, efficacy, or quality before they reach patients

doi: 10.1155/2017/9012152 92 AustinMJKalampalikaFCawthornWPPatelB

Good value , but often out of stock