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Stomach acid and a protein called intrinsic factor (IF) aid in B12 absorption
[ CrossRef ] [ Google scholar ] [ PubMed ] Pickart L, Freedman JH, Loker WJ, Peisach J, Perkins CM, Stenkamp RE, et al
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Transient breathing discomfort or mild bronchospasm reported in some individuals, particularly those with asthma or sensitive airways
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10.1039/d3se00237c 81 SzaszG
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