For the most of herbal formulas the bark of the plant is used. Its major chemical compounds include alkaloids, tannins, aromatic oils and fatty resins, phytosterols, cyclolignans, sesquiterpenes, and flavonoids.
"Until a father reaches 60, the son is his; after that, the son is catuaba's!" This is a line from the Brazilian song praising aphrodisiac properties of the plant. These were first discovered by Tupi Indians in Brazil and this knowledge has been passed through generations. Today Brazilian herbal medicine uses catuaba as tonic for central nervous system with, also benefiting from its aphrodisiac properties.
Decoction prepared from the bark is used to handle sexual impotency, sexual weakness, agitation, nervousness, exhaustion, and memory failures. These are alkaloids (yohimbine) in the plant that are believed to act enhancing sexual system by stimulating parts of nervous system responsible for sexual performance.
Usually catuaba is sold in form of tincture. It is taken with a small amount of water and a teaspoon of lemon juice. The latter will aciditify the tincture for the release of alkaloids into the water and their more effective penetration to the body.
Also, catuaba is commonly used with Muira Puama root which enhances the stimulating properties for the male genital system and urinary organs.
Source:- http://www.chinese-herbs.org/catuaba/catuaba-and-sexual-function.htmlAphrodisiac actions of catuaba are effective in both women and men, although the most effective results are noted for male impotence.