vitamin b12 dosage for seniors injections Cyanocobalamin (b12) Injection 2,000 mcg/mL 30mL Conquer Pharma Intrav – My Store B12 Injections vs Pills: Richmond's
Description
This small percentage provides adequate amounts when the dose is sufficiently high

Intake : The amount of B12 consumed can affect the speed at which a B12 deficiency is corrected
B.SchouM.GustafssonF.et al (2016)

The right dose and schedule depend on age, weight, and how severe the deficiency is