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Its a common misconception that a healthy diet guarantees perfect vitamin levels

Eating animal products typically gives your body more than enough of the nutrient, but there are particular groups of people more susceptible to a B12 deficiency

Using a sensitive analytical technique called mass spectrometry, they tracked the peptide as it was broken down by enzymes naturally present in the blood, and identified all the fragments that were produced

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Any discussion of biological activity refers solely to laboratory, in vitro, or preclinical research

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