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Therefore, serum B 12 values above the cut-off point of deficiency do not necessarily confirm adequate B 12 status
Individuals adhering to vegetarian or vegan eating patterns have heightened vulnerability to B12 insufficiency, potentially experiencing symptoms like chronic tiredness, unpredictable mood fluctuations, and diminished mental clarity
Munib may recommend bloodwork to confirm deficiency and establish baseline levels, though testing isn't always necessary for patients with clear symptoms or known absorption issues
Green R, Allen LH, Bjrke-Monsen AL, Brito A, Guant JL, Miller JW, et al Vitamin B12 deficiency Nat Rev Dis Primers
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