what needles are used for b12 injections Is this the right size needle im injections? : r/B12_Deficiency How to Administer an Intramuscular

Our clinic typically recommends weekly or twice-weekly injections depending on patient goals

[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

Common Questions About B12 Injections How often do I need B12 injections

Vitamin injections generally begin to work immediately, but noticeable results vary from person to person