b complex vs b12 injections ivee B12 Shots vs. IV Infusions:

[1] [2] Elevated methylmalonic acid levels may also indicate a deficiency

Loading phase (deficiency): 1000 mcg IM or subQ daily or every other day for 1 to 2 weeks Maintenance: 1000 mcg monthly is a standard maintenance dose for conditions like pernicious anemia Wellness protocols: may use lower doses weekly, though this is less established clinically In ml: cyanocobalamin is typically supplied at 1000 mcg/ml, so a 1000 mcg dose equals 1 ml

By contrast, vitamin B12 has prescription dosing schedules for deficiency

The benefits of vitamin B12 can include improved red blood cell production, support for nerves and mood, and a smoother sense of focus that shows up in how you plan, prioritize, and follow through

However, it may also affect other parts of your body, like your legs, neck or arms