Fennel is a rich source of fibre, which helps you stay fuller for longer, further preventing you from cravings and overeating. This leads to lesser calorie consumption, resulting in weight loss.Consuming saunf may help reduce fat storage by improving vitamin and mineral absorption in the body.Saunf has diuretic properties; therefore, drinking fennel tea can help remove toxins from the body, which in turn, may contribute to weight loss.Fennel seeds are responsible for kick-starting your metabolism. A healthy metabolism is the key to losing weight in a healthy way.Saunf contains a plethora of antioxidants like phosphorus, selenium, zinc, manganese, choline, beta-carotene, lutein, zeaxanthin, all of which are known to protect your body against free radicals that are known to cause oxidative stress. Oxidative stress in the body can lead to obesity and diabetes like conditions.The volatile oils like estragole, fenchone and anethole present in fennel seeds help kick-start digestion by promoting the production of gastric enzymes. A good digestive system is the key to lose weight, the healthy way.Suggested usesFennel tea and fennel seed water are two beverages you can enjoy drinking while on a weight loss journey. Here's how you can prepare them at home.1.Fennel waterAll you need to do is take one or two teaspoons of fennel seeds and add them in a glassful of water and leave it overnight. Drink it first thing in the morning.2.Fennel teaTake one teaspoon of fennel seeds and add them in hot water. Make sure you do not boil them as boiling may kill most of its nutrients. Cover and let it rest for about 10 minutes and then drink it three times a day.