The health benefits of Fennel Essential Oil can be attributed to its properties like anti septic, anti spasmodic, aperitif, carminative, depurative, diuretic, emenagogue, expectorant, galactogogue, laxative, stimulant, stomachic, splenic, tonic and vermifuge. The Essential Oil of Fennel is obtained through steam distillation of crushed seeds of Fennel, an herb which bears a scientific name of Foeniculum Vulgare.