b12 injection effect time How Quickly Does Shot Work? Duration of Benefits Vitamin B12 Dosages: Your GoodRx

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

Mean +/- 3 SD captures 99.7% of the 'normal distribution' and that gives a range of 78.1-100.8fl, and puts you in the upper outliers, but still potentially 'normal'

This is a great question because it gets to the heart of how your body processes nutrients

Potency Check Confirms active ingredient concentration stays within 10% of the prescribed formula

For example, those with more severe deficiencies or certain health issues might need different doses