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
I could use a suggestion please
The thigh, buttocks, or upper arm are the best spots due to their muscle depth and ease of access
6 weeks 42 syringes 1 syringe per day
Primarily, it depends on how your body responds
35 are preclinical, and one is on a human trial, and so it was very limited in human research, so we got a lot of rats and dogs that were utilized for these studies