WASHINGTON — Dietary supplements marketed to provide male sexual enhancement contain undeclared erectile dysfunction drugs putting users at risk, the Food and Drug Administration warned Friday.

The agency advised consumers to stay away from Shangai Chaojimengnan supplements sold under the names Super Shangai, Strong Testis, Shangai Ultra, Shangai Ultra X, Lady Shangai and Shangai Regular. The Chinese-made supplements are packaged and distributed by Shangai Distributor Inc. of Puerto Rico.

29 December 2007

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