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This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726. Finds Variability In Strength of CoQ10 Supplements

-- Increasingly Popular Supplement, But Health Professionals and Consumers Cautioned To Check Brands --

WHITE PLAINS, NY – JANUARY 13, 2004 – today announced that among the coenzyme Q10 (CoQ10) supplements it recently tested there was no detectable CoQ10 in one product, another had only 71% of its claimed amount, while a third exceeded its claimed amount by 75%. Such variations are of concern since CoQ10 is used in tightly controlled conditions such as congestive heart failure, Parkinson’s disease, hypertension, and AIDS. CoQ10 acts as an anti-oxidant and is also involved in energy production.

Total U.S. sales exceed $200 million, making CoQ10 one of the top selling supplements according to Nutrition Business Journal. Over the past year, sales of CoQ10 products increased 22% in the U.S. mainstream channel and 30% in the health food store channel according to research firms AC Nielsen and SPINS. *

“When a patient can go from zero dose to 175% of dose just by switching brands, there is potential for a real problem,” said Tod Cooperman, M.D., President of “Patients and doctors may never suspect a change in supplement brand to be the reason for a change in a patient’s condition." Dr. Cooperman urged people to use CoQ10 products that have been independently tested.

The CoQ10 Product Review is available at The Review includes results for 32 products of which selected 13 and 19 were tested at the request of their manufacturers through's Voluntary Certification Program. The Review also provides information on how to best choose and use these supplements. Subscription is required for the full report. Separately, 7 CoQ10 private label products passed similar testing through’s Raw Material & Private Label Certification Program. is a leading provider of consumer information and independent evaluations of products that affect health and nutrition. The company is privately held and based in White Plains, New York. It has no ownership from, or interest in, companies that manufacture, distribute, or sell consumer products. is affiliated with (, an evaluator of online pharmacies. Subscription to is available online. For group subscriptions, Technical Reports, or product testing contact Lisa Sabin, Vice President for Business Development, at [email protected].

*Figures based on 52 weeks ending November 1, 2003 and do not include sales in Wal-Mart stores. Sales through Internet, catalogue, and multi-level channels are not included.


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