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Safety, Limits, and Caveats The physiological review focuses on normal intrinsic factor function and may not fully address all pathological conditions affecting its production or function

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For example, older people (because absorption declines with age) and those with gut-related conditions such as celiac disease and Crohns disease may struggle to absorb enough vitamin B12 to stave off symptoms of a deficiency, says Foxx

Membr Cell Biol 13:389396 Srivastava R, Deng Y, Shah S, Rao AG, Howell SH (2013) BINDING PROTEIN is a master regulator of the endoplasmic reticulum stress sensor/transducer bZIP28 in Arabidopsis