b12 injection knot Ever had a muscle here? : r/migraine What causes a raised bump
Description
Vitamin B12 side effects Side effects from vitamin B12 supplementation are rare, and only occur with B12 injections, not oral supplementation, Allen says
The New Biology and Pharmacology of Glucagon

If you are not sure what to do, contact your doctor or registered nurse as soon as possible

B12 is water soluble vitamin so there's no worry of overdosing them with B12

Importance of Oxidative Stress in the Pathogenesis and Treatment of Asthma
