can b12 injections cause swelling Best Shots in Chicago & Naperville 2026 can b12 injections cause swelling

2020 Dec 4;5(1):280

In the quest for better health, many of us are turning to wellness trends that promise quick fixes and revitalized energy

Low energy & fatigue Feeling constantly tired, lacking energy, or struggling to stay awake could indicate a B12 shortage

Those at greatest risk of vitamin B12 deficiency are vegans and vegetarians, who get little to no B12 from the diet

Very rare but more serious side effects include irregular heartbeats/ palpitations or in extremely rare cases can cause an allergic reaction (anaphylaxis) but I have an EpiPen at hand to treat you immediately should this extremely rare occurrence happen.