Potenzan is a popular supplement for men, manufactured in Germany. The active ingredients L-Arginine and Tribulus Terrestris help maintain good blood circulation and help achieve and maintain an erection by affecting the central nervous system. These pills are a male potentiation drug that should be taken once a day 30 minutes before sexual intercourse, can remain in the body for about 6 hours. Potenzan initiates and supports the maintenance of the erection during sexual stimulation. It is available in a pack of 10 pills. Avoid fatty foods and alcoholic beverages when using this medicine.