Fennel seeds contain a specific aromatic essential oil that possesses antibacterial properties that help to freshen your breath. The goodness of fennel seed essential oils stimulates the secretion of digestive juices and enzymes that improves your digestion. Fennel seeds are rich in potassium that regulates the fluid amount in the bloodstream. It helps to control your heart rate and blood pressure. The high amount of phytonutrients present in fennel seeds helps to clear sinuses. Fennel extract works miraculously for the skin by protecting it from free radical damage and improving skin cell longevity. Fennel seeds are rich in fibre and may aid in weight loss and keep hunger pangs at bay. They work as diuretics and improve metabolism.