Taking Vitamin B12? Read this first. While B12 is often hailed as a safe energy and brain booster, many real users are reporting unexpected side effects including anxiety, insomnia, Now offering B12 injections! Available as a cash pay service for $25 at all Springfield locations. Stop in and ask our clinical team today! B12 Shots: Vitamin B12 Injections Benefits, Uses, Risks Dr. Axe The Truth About B12 Injections: Benefits, Cost & How They Work What are the possible side effects of a vitamin B12 (cobalamin) injection? Vitamin B12 Deficiency: Causes, Symptoms, and Treatment