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In most cases, vitamin B12 deficiency symptoms may include extreme tiredness, poor concentration, memory loss, dizziness, and disorientation
The purity percentage should be clearly stated, typically as percent area from HPLC analysis
Testing & Evaluation Complete the recommended lab work, imaging, or specialty testing based on your assessment
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Tillner J, Posch MG, Wagner F, Teichert L, Hijazi Y, Einig C, et al
doi: 10.3389/fimmu.2017.01875 50 KushnerIRzewnickiDL
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