what needles are used for b12 injections Is this the right size needle im injections? : r/B12_Deficiency Best Vitamin B12 Injection Site:

Best vitamin B12 to take

[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

A doctor can advise people on the best way to prevent vitamin B12 deficiency, depending on their dietary choices and health

B12 plays a key role in synthesizing neurotransmitters such as serotonin and dopamine, which help regulate mood and reduce stress