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While naturopathic doctors wouldnt prescribe B12 for most people without a lab-confirmed deficiency, studies show that B12 injections may improve endurance in athletes
Laboratory evidence: A serum B12 level confirming deficiency, or prior documentation of intrinsic factor antibodies for pernicious anemia
By bypassing the harsh stomach environment, more intact peptide molecules theoretically survive to reach absorptive tissues
References: Seiwerth, S., Rucman, R., Turkovic, B., Sever, M., Klicek, R., Radic, B., & Sikiric, P
Can you explain more what one has to do please
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