https://wiki.tiffa.net/w/index.php?action=history&feed=atom&title=Translations%3AVitamin_B12%2F68%2Fen 2026-10-14T12:13:32Z Revision history for this page on the wiki MediaWiki 1.43.0 https://wiki.tiffa.net/w/index.php?title=Translations:Vitamin_B12/68/en&diff=135262&oldid=prev 2024-04-05T11:15:36Z

<p>Importing a new version from external source</p> <p><b>New page</b></p><div>Investigations into the intestinal absorption of B&lt;sub&gt;12&lt;/sub&gt; confirm that the upper limit of absorption per single oral dose is about 1.5{{nbsp}}µg, with 50% efficiency. In contrast, the passive diffusion process of B&lt;sub&gt;12&lt;/sub&gt; absorption — normally a very small portion of total absorption of the vitamin from food consumption — may exceed the haptocorrin- and IF-mediated absorption when oral doses of B&lt;sub&gt;12&lt;/sub&gt; are very large, with roughly 1% efficiency. Thus, dietary supplement B&lt;sub&gt;12&lt;/sub&gt; supplementation at 500 to 1000{{nbsp}}µg per day allows [[pernicious anemia]] and certain other defects in B&lt;sub&gt;12&lt;/sub&gt; absorption to be treated with daily oral megadoses of B&lt;sub&gt;12&lt;/sub&gt; without any correction of the underlying absorption defects.</div>

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