how much b12 in injections Optimal Vitamin B12 Dosage and

Vegan and Vegetarian Sources of Vitamin B12 Can a Vegan Diet Cause Vitamin B12 Deficiency

Possible Side Effects Mild side effects of Vitamin B12 may include: ( 12 ) Mild pain, itching, or swelling at the injection site Temporary nausea or headache Mild diarrhea Hot flashes Vomiting These side effects do not affect all patients and are generally temporary and mild While rare, more serious side effects of Vitamin B12 injections can include ( 12 ): Irregular heartbeat Heart palpitations Hives or skin rash If you notice any severe reactions to a Vitamin B12 shot, contact a medical professional immediately

Not a long-term daily commitment for most

Do vitamin D and B12 work together