b12 deficiency injection dose CYANOCOBALAMIN INJECTION, USP 30000 mcg/30 mL (1000 mcg/mL) 30 mL VIAL Vitamin B12 Injection Dosage: 7

Hempill-Bryant explains that babies born to B12 deficient mothers will also be deficient in B12, especially if they are then exclusively breastfed. A study in the Journal of Child Neurology found that the most severe cases of B12 deficiency can lead to weakness, failure to thrive, afebrile seizure, developmental delay, nystagmus, tremors, and involuntary movement among young babies

You've got to consider the practicalities on the ground

But a monthly 4000 mcg dose would be 4 mL, with the same concentration

Vitamin B12 also has several contraindications: It is important to know that there is no universal dosage for vitamin B12