The Chinese first used red yeast rice in the Tang Dynasty in 800 A.D. as an aid for stomach ailments, poor blood circulation and to improve spleen health. The supplements are sometimes referred to as Zhi Tai or Xue Zhi Kang, stemming from their Chinese descent. But today, red yeast rice supplements are most commonly advertised for lowering cholesterol naturally.
What is Red Yeast Rice?
Red yeast rice is the product of a yeast, Monascus purpureus, grown on rice. The active ingredient in these supplements is called monacolins. One of these, “monacolin K”, works by inhibiting the liver enzyme called HMG Co-A reductase, thus reducing the liver’s ability to make cholesterol. Monacolin K is also the active pharmaceutical ingredient in the cholesterol-lowering statin drugs known as lovastatin or mevinolin (Mevacor®, a drug produced by Merck & Co., Inc). In fact, lovastatin was originally derived from another type of red yeast called Monascus ruber and it was the first statin drug to be approved by the U.S. Food and Drug Administration. Although red yeast rice is classified as a dietary supplement by the FDA, because of its similarity to the statin drugs, there is an ongoing legal debate about whether red yeast rice should be reclassified as a prescription drug rather than a dietary supplement.
Red Yeast Rice Side Effects:
Since they are so closely related, the potentially serious and debilitating statin drug side effects are also the same as those for red yeast rice: stomach pain, severe muscle pain and damage, liver damage, and kidney failure. However, the use of red yeast rice is particularly troublesome because of the uncertainty regarding how much active drug any particular batch of red yeast rice contains.
Red Yeast Rice Side Effects Induced by Toxic By-Product
As if taking a hidden pharmaceutical drug were not bad enough, there is another insidious ingredient lurking in red yeast rice called citrinin. Citrinin is a mycotoxin – a toxic by-product emitted from fungus (yeast). Mycotoxins literally mean “fungal + poison” and are considered very hazardous contaminants. In fact, some mycotoxins are so toxic, they have been utilized as chemical warfare agents.[1]
The mycotoxin citrinin was first isolated from Penicillium citrinum before World War II. It is produced by more than 10 kinds of fungi including the Monascus purpureus red rice yeast, and is possibly spread all over the world in other cereal grains including corn, wheat, barley, and rye. Citrinin causes mild liver damage in the form of fatty infiltration. Other health effects include vasodilation (dilation of blood vessels), constriction of the bronchi (air passage to the lungs) and muscle damage.
Citrinin often co-occurs with another mycotoxin called ochratoxin-A. Both of these toxins have been linked to nephropathy (a disease of the kidneys) in animals. However, research also demonstrates that citrinin and ochratoxin-A are implicated in fatal human kidney disease. Citrinin is also embryocidal and fetotoxic, so red yeast rice is especially dangerous for consumption by pregnant women.
How to Avoid the Red Yeast Rice Side Effects:
The best way to avoid the red yeast rice side effects is to avoid taking the supplement altogether. Too many other good alternatives for lowering high cholesterol exist that don’t carry all the baggage of red yeast rice. To learn more about these natural alternatives, download our FREE report, 7 Natural Ways to Lower Cholesterol: Top Foods, Supplements & Therapies to Achieve Normal Cholesterol Readings.
[1] Clin Microbiol Rev. 2003 July; 16(3): 497–516. doi: 10.1128/CMR.16.3.497-516.2003.
[2] BMC Genomics. 2007; 8: 95. Published online 2007 April 5. doi: 10.1186/1471-2164-8-95
[3] “Citrinin.” Leatherhead Food Research Association, Randalls Road, Leatherhead, Surrey KT22 7RY, England.
[4] Hetherington, A. C., and H. Raistrick. 1931. Studies in the biochemistry of microorganisms. Part XIV. On the production and chemical constitution of a new yellow colouring matter, citrinin, produced from glucose by Penicillium citrinum Thom. Phil. Trans. R. Soc. London Ser. B 220B:269-295.
[5] Arh Hig Rada Toksikol. 2009 Dec;60(4):457-64.
Originally published in 2012, this blog has been updated.
The post What You Should Know About Red Yeast Rice Side Effects appeared first on Natural Health Advisory.
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