Now offering B12 injections! Available as a cash pay service for $25 at all Springfield locations. Stop in and ask our clinical team today! Vitamin B12 Deficiency: Causes, Symptoms, and Treatment 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, Vitamin B12 Injections for Weight Loss & Side Effects (2025) Sizing Up the Risks? SA Grain B12 injection side effects : r B12_Deficiency