FADOGIA AGRESTIS Overview Information. Fadogia agrestis is a plant from Nigeria. The stem is used to make medicine. People take Fadogia agrestis to treat ED (erectile dysfunction, impotence), increase sex drive, improve athletic performance, and support body building.Fadogia agrestis is also used to treat malaria.eople take Fadogia agrestis to treat ED (erectile dysfunction, impotence), increase sex drive, improve athletic performance, and support body building. Fadogia agrestis is also used to treat malaria.