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This absorption is almost entirely dependent on intrinsic factor binding to vitamin B12
Investigated for skin appearance proxies in preclinical and cosmetic-science contexts (texture, firmness, visible tone) without making therapeutic claims
While not a substitute for medical evaluation, this data can inform decisions about continued use
SCFA metabolites, such as acetate, propionate, and butyrate, can act on fatty acid receptors in epithelial, enteroendocrine, and neuronal cells, and they could affect the central nervous system in experimental model organisms (53, 54)
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