Methylcobalamin formulations also typically appear red, with shade variations primarily related to concentration and excipients rather than the form of B12 used
Insert the needle at a 45-degree angle
Ethics declarations Conflict of interest F.C.S declares grants from NIH/NIDDK (P30 DK040561, U24 DK132733, and UE5 DK137285) and consulting fees from Eli Lilly, Novo Nordisk, Amgen, Boehringer Ingelheim, AstraZeneca, AbbVie, Currax, Pfizer, Doximity, MelliCell, Vida Health, Empros Pharma, Apnimed, Clearmind Medicine, and Ilant Health, all outside of the current work
Absorption with injections is reliable because the medication bypasses digestion entirely
Curr Drug Metab, 2011, 12 (7), 667678