Feeling Tired All the Time? It Might Be a Vitamin B12 Deficiency Fusion HealthCare Now offering B12 injections! If these symptoms sound all too familiar, it might be time to check your vitamin levels. B12 injections may be absorbed up to 90% more effectively than oral Vitamin B12 Shots in Canton, MI: What You Need to Know Main benefits of B12 injections 1) Increased energy & reduced fatigue B12 helps convert food into usable energy Deficiency often causes tiredness, weakness, and low stamina 2) Healthy red blood cells Prevents Vitamin B12 Overdose: 7 Lesser Known Side Effects of Taking Too Much Vitamin B12 TheHealthSite.com