They actually contain traces of Viagra:
The FDA warned consumers not to buy or use seven of the so-called dietary supplements, sold online to treat impotence and enhance sexual performance. The list includes a product called Zimaxx, which FDA testing showed contains sildenafil, the same active ingredient in Viagra.







![A neurosurgeon's fight with the state medical board [PODCAST]](https://kevinmd.com/wp-content/uploads/Design-1-190x100.jpg)




![Why universities must invest their wealth to protect science [PODCAST]](https://kevinmd.com/wp-content/uploads/Design-3-190x100.jpg)