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[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
Compared with individuals with higher vitamin B12 concentrations, those with lower vitamin B12 concentrations were more likely to be obese
Intramuscular (IM) Injection Technique and Sites Intramuscular injections are common for vitamin B12
Use the visual syringe guide to verify your dose level
