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But is it as effective as the weekly shot

The most common side effect of B12 injections is irritation at the injection site, and injections are typically administered intramuscularly or subcutaneously. Less common side effects may include headache, nausea, diarrhea, itching, or a brief feeling of lightheadedness after the injection

Within 24 hours, our medical team approves your prescription

Treatment regimens and guidance: The British National Formulary (BNF) and NICE Clinical Knowledge Summaries outline treatment regimens for B12 deficiency

SS-31 (elamipretide) has the most human clinical data, though results are mixed