These biogenix rx compounds work, just like synthetic drugs, to increase nitric oxide release and inhibit PDE-5. This leads to a longer lasting performance in bed and in addition, the herb improves blood flow to the pelvic region and to all the extremities of the body. Ginkgo Ginkgo improves blood flow throughout the body and is considered the ultimate blood circulation herb. The herb also helps to protect the blood vessels and prevent furring and arteriosclerotic lesions which can impede blood flow...