injecting vitamin b12 benefits Shots: B12 Injections Benefits, Uses, Risks Vitamin B12 Injections: Unlock Energy,

[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

This is the same supplement I use in my clinic

Association of Celiac Disease with Aplastic Anemia

Greger came to those recommendations: What kind of vitamin B12 should I take