can anyone have b12 injections Vitamin Injections: What You Need To Know Vitamin B12 Injection Dosage for

Detection of autoantibodies against the parietal cells producing intrinsic factor is of less value, since a positive result may be present also in patients not suffering from PA and some patients with PA will show a negative result

Allergic Reactions Allergy to vitamin B12 is uncommon

Supports weight loss: While not a magic bullet, they can be an effective tool for jumpstarting weight loss when combined with a balanced diet and exercise plan

Less common symptoms include headaches, a thumping heart (palpitations), altered taste, loss of appetite, pale appearance, sore mouth or tongue and ringing in the ears (tinnitus)