how many units of b12 should i inject weekly Vitamin Injection Dose for Adults: 7 Dosage Facts B12 Injection Dose for Adults:

doi: 10.1080/07435800.2017.1381972

Regular check-ins let you discuss blood test results and adjust your care plan if needed

It is sold under research-use-only labeling and is not regulated as a dietary supplement either

Note that these doses are specific to cyanocobalamin, the preferred supplemental form of vitamin B12, as there is insufficient evidence to support the efficacy of the other forms, like methylcobalamin

Titration: There is generally no need for upward titration with B-complex vitamins as one might do with certain drugs, but if a patient is frail or known to react to injections, the provider may choose to start at a lower dose (for example 0.25-0.5 mL) and then increase to 1 mL as tolerated

Understanding the hands-on techniques behind these counts, such as knowing how to use a hemocytometer, highlights the precision involved in getting an accurate FBC