dose of b12 injections VITAMIN INJECTION 3000 mcg B12 Injection Dosage and Frequency:
Description
Bibcode:1955Natur.176..325H

Exploratory surgery (laparotomy) may be recommended
Annals of Pharmacotherapy (2012) 6

A blood test is needed before a vitamin D intramuscular shot to check your current vitamin D levels and avoid overdose, which can cause toxicity