Red yeast rice has been linked to diarrhea, heartburn, and upset stomachs.Additionally, it may result in a skin rash, headaches, and vertigo.Stop taking red yeast rice and visit your doctor if you experience any of these side effects.Tell your doctor if you are taking any other medications because red yeast rice may interact with some of them.Red yeast rice is not advised for women who are expecting or nursing.In China, red yeast rice has a long history of use as a food and a remedy.

It is produced by fermenting red rice with various Monascus purpureus fungus strains.Compounds in red yeast rice are comparable to those in statin medications. By preventing the production of cholesterol, these substances can reduce levels.