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Besides pernicious anemia, various other iatrogenic conditions or naturally acquired gastrointestinal disorders can cause vitamin B12 deficiency
Its derived from a naturally occurring protein found in human stomach (gastric) juice, which is part of the reason researchers first became interested in it the body already produces a version of this compound as part of its natural protective processes
21 Filina AA, Davydova NG, Endrikhovskii SN, Shamshinova AM
Take Control of Your Health with Medical Weight Loss Struggling to lose weight on your own
Although FDA does not currently clear or approve laboratory-developed tests in the U.S., certification of the laboratory is required under CLIA to ensure the quality and validity of the test
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