Undisclosed, Dangerous Ingredients Found in Sexual Performance Enhancer
A dietary supplement called MasXtreme which has been marketed as a sexual performance enhancer, has been found to contain undisclosed, dangerous ingredients. The FDA has discovered that it contains an undeclared amount of a drug similar to Viagra, called sildenafil, as well as an alpha-adrenergic blocker phentolamine.
As a result of these undisclosed ingredients, the FDA has said this product could be dangerous because sildenafil may interact with nitrates found in some prescription drugs (such as nitroglycerin) and may lower blood pressure to dangerous levels. Also, common adverse effects of phentolamine include arrhythmia (abnormal heart rhythm) and tachycardia (rapid heart beat), can occur.
After this discovery, the manufacturer Natural Wellness Inc., has initiated a voluntary recall.
MasXtreme is sold in blister packs containing one (1) capsule. Consumers who have purchased MasXtreme capsules are urged to immediately discontinue their use and discuss any health concerns about its use with a healthcare professional.
More Information about Dietary Supplements: “It Must Be Safe If It’s on the Store Shelf, Right?”
Source: FDA, March 30, 2010; The FDA has urged consumers to report any adverse events experienced after using the supplement to its MedWatch program online [at www.fda.gov/MedWatch/report.htm1], by phone 1-800-332-1088, or by returning the postage-paid FDA form 3500 [which may be downloaded from the MedWatch "Download Forms" page] by mail [to address on the pre-addressed form] or fax [1-800-FDA-0178].
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