what size needle for im b12 injection Choosing the Right and Syringe Injections: A Complete Guide Is this the right size

Individual results depend on dose, adherence, lifestyle, and medical history, and are determined in consultation with your licensed provider

[95] Intramuscular or intravenous injection [edit] Injection of hydroxycobalamin is often used if digestive absorption is impaired, [2] but this course of action may not be necessary with high-dose oral supplements (such as 0.51.0 mg or more), [97] [98] because with large quantities of the vitamin taken orally, even the 1% to 5% of free crystalline B 12 that is absorbed along the entire intestine by passive diffusion may be sufficient to provide a necessary amount

Don't re-dose

10.1038/nrdp.2017.40 25 HigginsJ.GreenS

In: Young NS, Gerson SL, High KA, editors