FDA warns about dangerous ingredients in Zimaxx, Libidus, Neophase, Nasutra, Vigor-25, Actra-Rx, or 4EVERON

Published on July 12, 2006 at 7:01 PM · No Comments

The U.S. Food and Drug Administration (FDA) is warning consumers not to purchase or consume Zimaxx, Libidus, Neophase, Nasutra, Vigor-25, Actra-Rx, or 4EVERON.

These products are promoted and sold on web sites as "dietary supplements" for treating erectile dysfunction (ED) and enhancing sexual performance, but they are in fact illegal drugs that contain potentially harmful undeclared ingredients. These products have not been approved by FDA, and there is no guarantee of their safety and effectiveness, or of the purity of their ingredients.

FDA advises consumers who have used any of these products to discontinue use and to consult their health care provider. FDA encourages anyone experiencing ED to seek guidance from a health care provider before purchasing a product to treat this medical condition.

"These products threaten the public health because they contain undeclared chemicals that are similar or identical to the active ingredients used in several FDA-approved prescription drug products. This risk is even more serious because consumers may not know that these ingredients can interact with medications and dangerously lower their blood pressure," said Dr. Steven Galson, Director of FDA's Center for Drug Evaluation and Research.

Chemical analysis by FDA revealed that Zimaxx contains sildenafil, which is the active pharmaceutical ingredient in Viagra, a prescription drug approved in the United States to treat ED. The other products contain chemical ingredients that are analogues of either sildenafil or a pharmaceutical ingredient called vardenafil. Vardenafil is the active ingredient in Levitra, a prescription drug that, like Viagra, is approved in the United States to treat ED. There is no mention of any of these ingredients in any of the illegal products' labeling.

This deception poses a threat to consumers because the undeclared ingredients may interact with nitrates found in some prescription drugs (such as nitroglycerin) and lower blood pressure to dangerous levels. Consumers with diabetes, high blood pressure, high cholesterol, or heart disease often take nitrates. ED is a common problem in men with these conditions, and they may seek products like the ones noted above because these products claim that they are "all natural" or that they do not contain the active ingredients used in FDA-approved ED drugs. In addition, because the manufacturing source of the active ingredients in these "dietary supplements" is unknown, there is no assurance that the ingredients are safe, effective, or pure.

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