Vitamin B12 Injections: Benefits and Risks People love to bring up B12 like it's a reason to eat meat. But here's the irony Even meat eaters can be deficient in B12. That's because B12 comes from bacteria in Who Should Consider Lipo B12 Injections? Eligibility and Guidelines I often get asked if B12 is just a concern for vegans. The answer? Not at all. Even if you eat meat or dairy, there's no guarantee you're absorbing enough, especially as Vitamin B12 Dosage: What Is the Proper Daily Amount? Dr. Axe Vitamin B12 deficiency: causes, symptoms & treatment Thriva