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    Gut. 1973 Apr;14(4):316-8.

    Bile acids and vitamin A absorption in man: the effects of two bile acid-binding agents, cholestyramine and lignin.

    Abstract

    In 14 healthy volunteers, the addition of 12 g cholestyramine to a vitamin A-containing test meal reduced the expected rise in serum vitamin A by 59.5% (p<0.001). By contrast, lignin had no significant effect in 12 subjects. This study confirms the importance of bile acids in vitamin A absorption and the ineffectiveness of lignin as a sequestrator of conjugated bile acids.

    PMID:
    4706914
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC1412596
    Free PMC Article

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