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vitamin b12 injection uses Are Shots Right for You? Vitamin B12 Injection - We
Description
The calculator uses the peptide amount, liquid volume, and desired dose to estimate the correct draw volume

Other types, like hydroxocobalamin, might be used for different reasons

Injections may be given weekly or biweekly for a short period when levels are low or symptoms are present
25 Castelli MC, Friedman K, Sherry J et al (2011) Comparing the efficacy and tolerability of a new daily oral vitamin B12 formulation and intermittent intramuscular vitamin B12 in normalizing low cobalamin levels: a randomized, open-label, parallel-group study