average dose of b12 injection VITAMIN (Generic) Injectable Solution, 1000-mcg/mL, 250-mL vial - Easy Refills Oral vs. Intramuscular Vitamin B12

Recommended reconstitution volumes: 5mg vial add 2.5mL BAC water (2mg/mL)

[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

Theres no downtime required, so you can head right back to your daily routine feeling refreshed

A vitamin B12 deficiency must be diagnosed by a healthcare provider through a blood test before a patient begins seeking B12 injections