Natural ways that have traditionally been used to prolong ejaculation are:
Gingko Biloba leaves are believed to contain compounds that thin blood and help to improve muscle tone in the walls of blood vessels. This may enhance blood flow and thus help in sexual dysfunction. There are side effects and other drug interactions.
Crushed garlic – Amongst the numerous cures that garlic is used for it has been known that regular intake improves impotency and erection maintenance. Just watch your breath or feed it to your partner at the same time.