Fennel seeds benefits are innumerous. It contains a specific aromatic essential oil that possesses antibacterial properties that help to freshen our breath. The sweet fennel seeds increase the secretion of saliva, which helps to kill harmful bacteria. It is a simple and effective home remedy to combat bad breath. Munching on 5 to 10 fennel seeds could freshen our breath. The goodness of fennel seed essential oils stimulates the secretion of digestive juices and enzymes that improve your digestion. Fennel seeds contain anethole, fenchone and estragole that act as antispasmodic and anti-inflammatory. They work wonderfully for constipation, indigestion and bloating. For better results, consume fennel tea as it benefits to keep your digestive tract healthy and happy. Fennel seeds also contain fibre and while they may be small in size their fibre content is high. This can further improve your digestive health. By improving the fibre levels in your diet, fennel seeds contribute to better heart health as numerous studies have linked higher fibre diets with a lower risk of cardiac diseases. Fennel seeds are rich in potassium that regulates the fluid amount in the bloodstream. It helps to control our heart rate and blood pressure. As per the published study, fennel seeds increase the level of nitrite in the saliva. Nitrite is a natural element that keeps a check on blood pressure levels. The fennel health benefits extend to respiratory health as well.The high amount of phytonutrients present in fennel seeds helps to clear sinuses. These tiny seeds offer bronchial relaxation that helps to reduce symptoms of asthma, bronchitis and congestion.