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Clinical guidance for intramuscular injections points to a 22 to 25 gauge needle, given at a 90-degree angle, with the length chosen so it reaches muscle without going too deep
[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
, offers vitamin B12 shots as part of a personalized wellness approach designed to help patients feel refreshed and revitalized
Both forms work
A: The effects can last 24 weeks, depending on your baseline B12 levels and lifestyle factors
I really hope you start to feel an improvement soon
