FDA recalls Stamina-Rx Dietary Supplement products due to inclusion of an undeclared and unapproved drug, benzamidenafil, which can cause severe low blood pressure.
Press release

The FDA and Hi-Tech Pharmaceuticals notified patients and healthcare professionals of a nationwide recall of all product sold under the name Stamina-Rx.
FDA lab analysis found that the product contained the undeclared ingredient − benzamidenafil − a drug in the same therapeutic class of active pharmaceutical ingredients that include the PDE5 inhibitors sildenafil, tadalafil, and vardenafil, that are FDA-approved for the treatment of erectile dysfunction.
Benzamidenafil is not FDA-approved, and poses a threat to consumers because benzamidenafil may interact …read more