Some supplements sold for erectile dysfunction contain ingredients that are the same or similar to Viagra and Levitra

September 2006

Some supplements sold for erectile dysfunction contain ingredients that are the same or similar to Viagra and Levitra.

The FDA has found these compounds in Zimaxx, Libidus, Neophase, Nasutra, Vigor-25, Actra-Rx, and 4Everon.

This is alarming because patients on nitrates may think these products are safe alternatives to the prescription drugs.

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