Authorities say NBA star Lamar Odom had taken over-the-counter sexual performance enhancement drugs before he was found unconscious at a Nevada brothel.
The 35-year-old star is reported to be making positive progress after he was taken off a ventilator. He collapsed last week during a three-day drink and drug-fuelled binge and was found unconscious with a mucus-like liquid coming out of his mouth.
Read: How Lamar Odom's drug binge could kill him
The Food and Drug Administration, Mayo Clinic and others have warned against taking sexual enhancement supplements, sometimes called herbal Viagra. Here is a look at these products: