The catechin (a type of antioxidant) and caffeine content in black tea are thought to contribute to its diuretic activity. Other teas, including green tea, hibiscus tea, lemongrass, and Japanese ...

For instance, watermelon and juniper berries, cucumbers, and asparagus are known to have diuretic properties. Additionally, drinks such as coconut water, coffee, and both green and black tea have ...