what is vitamin b12 injection for Injections: You Need To Know 11 Proven Benefits of B12
Description
After initial repletion, a maintenance dose is given, often 1,000 mcg intramuscularly every month or every 2 to 3 months, to prevent recurrence of deficiency
People who have conditions that make absorption difficult are also good candidates for B12 shots
For individuals significantly above 250 pounds, extended protocols of 16-20 weeks rather than higher daily doses often produce better outcomes
This retention advantage may explain why some patients feel more prolonged effects from methylcobalamin even if blood levels look similar
