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<div class="quote-container">Quote:
<div class="quote-block">Originally Posted by <strong>unethicalvegan</strong> <a href="/t/123260/dha-and-other-weird-things#post_3257049"><img alt="View Post" src="/img/forum/go_quote.gif" style=""></a><br>
 
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<p>I'm hoping that you also eventually discovered that those who wrongly state that DHA, carnosine, or carnitine are <strong>essential nutrients</strong> can almost always be linked to the meat industry or meat-centric diet advocacy.</p>
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<p><strong>I never thought that they were essential nutrients</strong>, in that they form the backbone of a complete protein, but that they are used by the body and the lack or long-term deficiency might impact my health in some way or may improve my health with increased intake (especially for athletic endeavors). Considering, at the time, I had been lacto-ovo, I was especially concerned with absorption issues that I would otherwise never have considered - there are vegans who have not thrived until they started taking carnitine supplements (derived synthetically), probably due to problems with protein synthesis in their bodies. I was worried I was one of those people, and wanted to make sure there were vegan options out there in case it turned out I had some absorption/synthesis disorders.</p>
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<p>Clearly, the moral of this thread is that I was neurotic about nutrition (worrying about unlikely problems).</p>
 

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<p><a href="http://www.nature.com/nm/journal/v19/n5/full/nm.3145.html" target="_blank">http://www.nature.com/nm/journal/v19/n5/full/nm.3145.html</a></p>
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<div>Intestinal microbiota metabolism of choline and phosphatidylcholine produces trimethylamine (TMA), which is further metabolized to a proatherogenic species, trimethylamine-<em>N</em>-oxide (TMAO). We demonstrate here that metabolism by intestinal microbiota of dietary l-carnitine, a trimethylamine abundant in red meat, also produces TMAO and accelerates atherosclerosis in mice. <strong>Omnivorous human subjects produced more TMAO than did vegans or vegetarians following ingestion of l-carnitine through a microbiota-dependent mechanism.</strong></div>
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