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How do I know if Im deficient in B12
doi:10.1016/j.otc.2020.03.011
Our process and why you should trust us This article was written by a registered dietitian nutritionist (RDN), who used her expertise to develop guidelines for choosing the best vitamin B12 supplements
Adequate stomach acid is required for pancreatic proteases to cleave the B12 from the meat and for subsequent absorption via intrinsic factor
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