First: There’s a good chance that the contents of the supplement you buy are likely to be less than what’s listed on the label.
Second: “Natural” supplements sold to improve libido or lose weight are likely to rely on an unauthorized and unlabeled use of a prescription drug such as Viagra (for erectile dysfunction) or Meridia (for weight loss).
Now we discover, the following products are all contaminated with sulfoaildenafil, similar to sildenafil (Viagra) — an FDA-approved drug used to treat male erectile dysfunction.
Zilex (with Golden Spear)
The bottom line?
The company responsible for this mess is Novacare LLC — a name that any wise consumer will remember.
This undeclared ingredient (sulfoaildenafil) may interact with nitrates found in some prescription drugs such as nitroglycerin and may lower blood pressure to dangerous levels. Consumers with diabetes, high blood pressure, high cholesterol, or heart disease often take nitrates.
John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at www.Vicus.com, a complementary and alternative medicine website.