Pernicious Anemia (Rare Cause of Vitamin B12 Deficiency) Causes, Symptoms, Diagnosis, Treatment Lets do my first B12 injection together This is something Ive been nervous about for a long time, but today I finally did itand it honestly wasnt bad at all. I used the Union Medico needle guide The Truth About B12 Injections: Benefits, Cost & How They Work Did I miss anything? Pernicious Anemia is life threatening chronic autoimmune disease. And no, it's NOT just a vitamin deficiency and or anemia. B12 deficiency will affect EVERY SINGLE PART OF YOUR BODY. The B12 Shot: What Every Human Needs to Know About Injectable Vitamin B12 Vitamin B12 Injection Training Course HL Medical Aesthetics & Training