what size needle for im b12 injection Choosing the Right and Syringe Injections: A Complete Guide Is It Okay To Use

The same holds true for people who suspect they have B12 deficiency, and already start to supplement with oral B12

[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

To prevent the scarring or hardening of fat tissue, and to improve absorption, rotate your B12 injection sites

(2016) Randomized, placebo-controlled trial of methyl B12 for children with autism