With yet another batch of warnings from the U.S. Food and Drug Administration on tainted sexual enhancement drugs, it's time we wake up to the dangers associated with these products. Companies tout them euphemistically as natural or nutritional supplements but they contain undeclared sulfoaildenafil (aka, sildenafil, the stuff in Viagra used to treat Erectile Dysfunction). That's no friendly little herbal pick-me-up. It's a potentially harmful drug. Please be safe--read labels, use as directed or better yet, forego any sexual enhancement drugs from foreign manufacturers or online sources. Use only doctor-approved ED medication and be careful with that. Your health is important--don't risk damaging it with drugs from unverified sources. If you're concerned about performance, try a little vitamin E and zinc. They're natural and safe. Read on Sexual Enhancement Supplements Can Be Dangerous Medicine