Red yeast rice extract (RYRE) is made when a specific type of mold known as Monascus purpureus ferments rice.It marketed as a supplement and as a health food across the globe.Red yeast rice extract can be classified as both a drug and a supplement. This is because one of the most crucial ingredients in red yeast rice extract is monacolin K. It is also referred to as lovastatin which is the active component in a prescription drug called Mevacor. So, RYRE on one hand is a supplement which assists in lowering cholesterol while on the other hand, the Mevacor drug manufacturer claims that it owns the patent rights to the lovastatin ingredient.