Avena Sativa enhances stress coping abilities and cognitive learning performance.It is used to support mental health as it increases alertness during stressful situations. Avena sativa is also used as an aphrodisiac by free up the testosterone that gets stuck to various compounds in the body. Men and women both report an increase in energy and a feeling of well being while taking this extract.

Eurycoma Longifolia is also known as tongkat ali or pasak bumi. It is a plant in the family Simaroubaceae and genus Eurycoma, native to Indonesia and Malaysia. It was used in folk medicine for its antimalarial, antipyretic, antiulcer, cytotoxic and aphrodisiac properties. Eurycoma longifolia is used in supplements for bodybuilders because research claims that it can increase testosterone level but most of the research was conducted on rats and further scientific evidence is needed to confirm its effect on testosterone levels in humans. Some studies also show that it induces apoptosis in breast-cancer cells and is cytotoxic to lung-cancer cells.

Tribulus Terrestris refers to an herb used in India and China as traditional medicines for centuries. Tribulus Terrestris contains active compounds known as steroidal saponins, and these are basically found in the leaf. The tribulus consists of furostanol and spirostanol glycosides. People use Tribulus Terrestris for erectile dysfunction as well as low libido. This has gained popularity owing to sports performance improvement. This is available in Russia and Bulgaria as it enhances the testosterone hormone levels, estrogen and DHEA. Tribulus Terrestris supplements taken for four weeks showed no effect on the hormones of the male sex. Preliminary studies heightened the sexual behavior in animals and yet the studies have not confirmed its effect on human beings. However, Tribulus is popular as an aid for sports performance as it shows no effect in exercise performance or body composition. Tribulus do not show any significant change in fat or body weight and this difference can be felt by experiencing strength in the leg press. Conversely, nursing or pregnant women should avoid taking Tribulus.