
How do you increase the strength and hardness of your erections? First of all, you need a strong and increased blood flow to the penis when sexual arousal occurs. Most men with poor erectile function have sluggish or weak circulation, but that's only half the story. When the blood reaches the penis, you need to release plenty of nitric oxide in response the messages of sexual arousal to allow the blood vessels in the vicinity of the penis to relax and enough blood to enter and stay there to create an erection. The following four herbs either increase blood flow or release nitric oxide so that you can experience rock-hard erections.1) Ginkgo BilobaPerhaps the best blood circulatory tonic is Ginkgo Biloba. Ginkgo Biloba improves blood flow throughout...