XtraHRD Natural Male Enhancement Capsules by Organic Herbal Supply, Inc.: Recall - Undeclared Drug Ingredient

Undeclared tadalafil may interact with nitrates found in some prescription drugs (such as nitroglycerin) and may lower blood pressure to dangerous levels.

http://www.fda.gov/Safety/MedWatch/SafetyInformation/SafetyAlertsforHumanMedicalProducts/ucm542591.htm