Is Watermelon A Diuretic. Watermelon helps the liver’s process of converting ammonia (waste products from protein digestion) into urea, a process that puts pressure on the kidneys while getting rid of excess fluid. The amount of fruit needed varies widely depending on your body.

Diuretic & kidney support watermelon is a natural diuretic which helps increase the flow of urine, but does not strain the kidneys (unlike alcohol and caffeine). Though diuretic medications like pamabrom and thiazide will work effectively, some fruits offer similar diuretic effects. Watermelon helps the liver’s process of converting ammonia (waste products from protein digestion) into urea, a process that puts pressure on the kidneys while getting rid of excess fluid.