Whether to restore loss of sexual desire or low libido, nature has provided a wealth of herbs, leaves and other substances to boost sexual performance. Until now, however, these remedies have largely remained secret, used only by indigenous tribes or those with specialist knowledge. The recent explosion in demand for Viagra shows that many of us want remedies that will help us to achieve peak performance. While Viagra provides a single medical solution to an age-old problem, Fiona Marshall shares with us the numerous effective and natural alternatives that can be used to boost sexual performance.