That same 20 units at 10 mg/mL would only deliver 2 mg
Factors Requiring Dosage Modifications Several factors might need a change in B12 injection dosage
Starting at 0.25mg/week and titrating slowly is the right call
Furthermore, as the vials of this Pfizer bacteriostatic water for injection, USP have self-sealing plastic tops, the pores in these lids close every time the solution is extracted to keep the solution free from environmental contamination
Clinical literature reports typical adult ranges, and FDA-approved labeling exists for the individual components where applicable, but those references are starting points a clinician interprets, not instructions a reader should self-apply
While some facilities or pharmacies may offer lower-priced B12 injections, typically ranging from $15 to $25 per shot, patients should always ensure the injections are administered by qualified, reputable healthcare providers to ensure safety, effectiveness and quality of care