The safety of red yeast rice has been the subject of some debate, particularly since some forms have been banned for use as a food additive by the FDA. However, that is only because of the lovastatin content of one of the three major forms of the substance, and the others are Ok to use in food. In fact red yeast rice has been a part of the Chinese and diet for countless years, and is the red colorant used in Peking duck. It is used by Chinese, Japanese and other Asians in the USA as part of their normal diet.
It has also been used for millennia in Chinese medicine, and its general safety is not in doubt. However, some products have been found to contain citrinin which is a toxic substance formed during the fermenting of the yeast. Although these are few and far between.
There are some contra-indications, however, and red yeast rice should not be used by pregnant or nursing women. Nor should it be used by those with heart problems or those with a history of liver or kidney disease. Other than that the substance should be safe to use, but any tenderness in the muscles when taking red yeast rice should be considered as suspicious, and you should cease taking it immediately and see your physician.
Naturally safe red yeast rice is available at your local or internet health food store. To ensure quality and purity of the red yeast product you purchase, look for name brands for safety reasons.
*Statements contained herein have not been evaluated by the Food and Drug Administration. Red yeast rice is not intended to diagnose, treat and cure or prevent disease. Always consult with your professional health care provider before changing any medication or adding Vitamins to medications.