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Red Yeast Rice

Red Yeast Rice (RYR) is a rice product fermented by bacteria that contains the drug lovastatin, and is currently the most effective naturally occurring statin. It is able, like most statins, to reduce circulating cholesterol levels.

Our evidence-based analysis on red yeast rice features 59 unique references to scientific papers.

Research analysis led by and reviewed by the Examine team.
Last Updated:

Things to Note

Primary Function:

Also Known As


Do Not Confuse With

Lovastatin (active ingredient), Monascus purpureus (mold used in processing)

  • It appears that the FDA (American) has banned sales of any RYR product with 'non-negligible' levels of Monacolin K/Lovastatin[1] due to the position of Lovastatin as a pharmaceutical drug;[2] this significantly reduces the supposed benefits associated with red yeast extract

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Click here to see all 59 references.