Catuaba

An herb from Brazil, where it is highly valued as an aphrodisiac and general tonic. It is also considered a stimulant to the central nervous system, which is part of its sexual tonic effects, and also accounts for its use for various disorders such as hyperactivity, insomnia, nerve pain, exhaustion, and fatigue.

It is considered aphrodisiac for both men and women, but shows the most benefit in cases of male impotence. It has also shown some anti-viral and antibacterial properties, and has been used to treat cancer and HIV.