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Intramuscular (IM) injections are a quick and effective way to deliver high doses of vitamins directly into the muscle tissue for slow release into the bloodstream
The key point: the best option depends on the reason for low B12 and your clinical context
The results can differ, but many notice better stamina and less hunger almost right away
Safia Pirani, MD, consider the patients symptoms, medical history, blood test results, severity and cause of deficiency, absorption concerns, current medications, and response to previous supplementation
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