how often to get b12 injections Shots at Home: How, Where & Inject Yourself Vitamin B12 Injections Dosage and

Common side effects include pain or redness at the injection site, mild diarrhea, itching, and swelling

Common experiences after the first injection include: Mild soreness or redness at the injection site (usually resolves within 12 days) Slight improvement in energy levels or mood No immediate noticeable change (particularly common if deficiency is severe) Rarely, mild side effects such as headache or dizziness Some patients report their urine becoming brighter or more intensely coloured following injection, which occurs because excess B12 is excreted renally

For instance, those with severe vitamin B12 deficiency may require weekly or biweekly shots until their blood levels return to normal

Phase Weeks 3+ (higher end) Daily dose 150 mg once daily Notes Some sources go this high