For example, too much L-carnitine can lead to palpitations
If you suspect you have been overdosing due to a reconstitution error, recalculate immediately
Your plan is guided by your symptoms, your biology and your priorities
Here are some common side effects- Common side effects Pain, redness, or swelling at the injection site Mild diarrhea or upset stomach Nausea or vomiting Dizziness Headaches Rare but serious side effects Allergic reaction, including itchiness, hives, difficulty in breathing, or swelling on the face, lips, and throat Irregular heartbeat It is essential to consult with a healthcare provider before starting vitamin B12 injections to ensure they are appropriate for your specific health needs and to receive proper administration guidance
When symptoms are present, they are almost always caused by the underlying condition driving the elevation , not by the B12 itself
Costa, M