How Often Vit B 12 Injection Given To Dogs?
How Often Vit B 12 Injection Given To Dogs? Dog: By injection: 50 mcg/kg every 2 weeks (effective in one study) Oral treatment of B12 deficiency is not always effective, depending on the cause. Intrinsic factor (IF) may have to be supplied to facilitate B12 absorption. How long does vitamin B12 injection last in dogs?