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Can comfrey cause liver damage?
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James Offline

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Can comfrey cause liver damage?
I saw a thread the other day claiming that the pyrrolizidine alkaloids in comfrey did not cause liver damage in humans, and that no cases of liver damage in humans had been recorded.

Apparently they read these false claims on a website somewhere since I went in to Medline and found a number of cases of humans developing liver issues from comfrey ingestion. The studies were actually very easy to find. There are also various animal studies that have found the same issue and it is has been reported in agricultural journals as well since poisonings have also occurred in livestock.

Luckily comfrey like other herbs containing pyrrolizidine alkaloids can be rendered harmless by drying and aging the herbs for a few months. But they left that important part out and were even talking about juicing the fresh leaves, which do contain the toxic alkaloids. Not in as high of an amount as the root of comfrey though.

If people simply read these posts without actually doing their homework they can not only injure themselves, but they may also pass on this bogus information injuring someone else as well.
07-10-2012 06:48 AM
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