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[DOI] [PMC free article] [PubMed] [Google Scholar] Higgins 2011a Higgins JPT, Green S (editors)

As with the physical trapping of debris within the sugars through physical and electrochemical interactions, host defenses released into the mucus can be immobilized by mucins as well
doi: 10.1208/s12249-017-0844-8
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Similar to injections, Bioactive B12 is in liquid form for increased absorption as it effectively bypasses the stomach and liver