Diuretics have many benefits. They prevent the painful urinary tract infections and keep water retention or edema at bay. If consumed during monsoons, they also prevent seasonal joint pain. Deepshikha Agarwal, sports nutritionist and dietitian recommends the following sources of diuretics as compared to taking supplements:
Bottle gourd: Deepshikha personally likes using a lot of bottle gourd in her meals due to its various properties. It is easily available and economical and hence can be added by everyone in their diet.
Fennel seeds: Besides acting as a digestive and beating bad breath, fennel seeds also exhibit diuretic properties. You can drink fennel water or sherbet, or have a spoonful of these post meals. Yet again, an easily available and economical option.
Muskmelon: This succulent fruit is great for blood pressure and also a potent diuretic. It helps get rid of toxins and excess water in the body and combats kidney diseases if had every day.
Barley: Barley water is one of the effective weight loss remedies. According to Tara Murali, Chief Nutritionist at Diabeta Care, Delhi barley is a mild diuretic that flushes out toxins and helps you urinate frequently thus preventing urinary tract infections.
Coriander: Coriander has a versatile use in Indian cooking and hence can be easily added as a natural diuretic  in your diet. It also banishes inflammation or swelling and keeps blood pressure under control.
Green tea: This drink has been recommended by several nutritionists for its antioxidant properties. It boosts your metabolism and also acts as a diuretic to prevent urinary tract infection and water retention. Lemon juice is also a diuretic and can be added to green tea for added benefits.