Evidence supporting the use of: Milk thistle
For the health condition: Poisoning (general)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Milk thistle (Silybum marianum) has a long history of use in traditional herbal medicine for liver-related conditions and poisoning. Its active component, silymarin, is believed to possess antioxidant, anti-inflammatory, and hepatoprotective properties. Scientifically, the most prominent and validated use of milk thistle in poisoning is for amanitin-containing mushroom (Amanita phalloides, or “death cap” mushroom) poisoning. Multiple case reports, observational studies, and some clinical trials have suggested that intravenous silibinin, a silymarin derivative, may reduce liver damage and improve survival rates in patients suffering from this otherwise often-fatal poisoning. The proposed mechanism involves inhibition of toxin uptake into liver cells and reduction of oxidative damage.

For other types of poisoning, evidence is more limited. While animal studies suggest potential protective effects against various toxins (e.g., carbon tetrachloride, alcohol, and certain pharmaceuticals), robust clinical trial data in humans are lacking. The use of milk thistle for general poisoning is therefore supported primarily in the specific case of Amanita mushroom intoxication, with its broader use for poisoning remaining less well-substantiated. Nevertheless, milk thistle extracts are sometimes used as adjuncts in cases of suspected toxic liver injury, reflecting both tradition and emerging scientific backing, though the highest quality evidence remains limited to certain types of poisoning.

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