However, for a more sustained and significant improvement in chronic fatigue, it often takes several weeks or even a couple of months of regular injections for the body to fully restore its B12 stores and for symptoms to noticeably subside
Maintenance dosing schedules: Weekly injections for the first few months Bi-weekly or monthly injections after that Adjusting Frequency Based on Clinical Response The B12 injection schedule might need to change based on how well the treatment works
Its primary jobs include helping with nerve function, the formation of red blood cells (which carry oxygen throughout your body), and the production of DNA
Vitamin B12 Injection Dosage for Adults in mL Knowing the right amount of vitamin B12 injections in milliliters (mL) is key to good treatment
The subcutaneous route is used at much smaller doses than oral because a 100 mg injection would require two 50 mg vials and about 6 mL of liquid when each vial is mixed with 3.0 mL BAC water, which is too much for one subcutaneous site
according to the National Academies of Sciences, Engineering, and Medicine, absorption is approximately 50% at 1 mcg but falls to roughly 1.3% at 1,000 mcg