B12 Injection Dosage and Frequency: 7 Essential Guidelines for Adults Liv Hospital Vitamin B12: How Frequently Should I Get It? URBAN Medical Fishersville, VA and Gilbert, AZ How Often Should You Get Vitamin B12 Injections? Everywhere you turn nowadays, people are harping on about B12 injections. It's obvious why, though: they are especially good in the autumn winter months when many of us look and feel a bit Vitamin Injections Des Plaines, IL Vitamin Deficiency Treatment How Often Can You Get a B12 Shot for Maximum Health?