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Chinese dietary supplements contain Viagra API

Several Chinese manufactured dietary supplements are found to contain sildenafil, the active ingredient found in Pfizer's sexual dysfunction drug Viagra, says the FDA

The FDA has warned that several Chinese manufactured dietary supplements contain sildenafil, the active ingredient found in Pfizer's sexual dysfunction drug Viagra, and could be harmful to consumers.

In a statement on its website on 1 January 2008, the FDA said it was advising consumers not to buy or use Super Shangai, Strong Testis, Shangai Ultra, Shangai Ultra X, Lady Shangai, and Shangai Regular products.

The FDA added that the products, which originated in China, were being marketed for the treatment of erectile dysfunction and for sexual enhancement.

None of the product labels mention that they contain sildenafil or a similar compound, the agency added.

The FDA warned that the undeclared ingredients in these products may interact with nitrates found in some prescription drugs and can lower blood pressure to dangerous levels. Particularly at risk are sufferers of diabetes, high blood pressure, high cholesterol or heart disease.

The products, which were distributed in the US by a company based in Puerto Rico, have not been approved by the FDA and are illegal.

2nd January 2008

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