The United States Food and Drug Administration warns of China-made dietary supplements that contain sildenafil, the active ingredient of
online pharmacy viagra, a popular treatment for erectile dysfunction.
FDA issued a statement warning consumers not to purchase or use the following products: Super Shangai, Strong Testis, Shangai Ultra, Shangai Ultra X, Lady Shangai, and Shangai Regular, also marketed as Shangai Chaojimengnan.
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