Dietary supplements containing monacolins from red yeast rice (RYR) pose a safety concern even at low doses, according to a review carried out by the European Food Safety Authority.
Red Yeast Rice Supplements Facing EU Ban Following Safety Review
Supplements already under close scrutiny in the EU have been linked to severe adverse effects on the musculoskeletal system and liver, even at low doses.

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Supplements already under close scrutiny in the EU have been linked to severe adverse effects on the musculoskeletal system and liver, even at low doses.