Because of how the injections deliver B12, you may experience some discomfort , redness, bruising, inflammation, itching, or tenderness near the injection site
However, B12 shots can lead to side effects including: - Headache - Dizziness - Diarrhea - Skin rash and itching - Nausea and vomiting - Fatigue - Swelling and tingling sensation Additionally, excess vitamin B12 can also result in rare but severe allergic reactions also known as anaphylaxis
Its a fast, intramuscular shot with no downtime the full process usually takes less than 20 minutes from start to finish
Even harder when diet and exercise only get you so far
For individuals with a significant B-12 deficiency, B-12 injections are typically administered weekly until levels normalize