There are so many benefits of lemon water.Lemon can help relieve many digestion problems when mixed with hot water. These include nausea, heartburn, constipation and parasites. It is even known to help relieve hiccups when consumed as a juice. Lemon juice acts as a liver tonic and helps you digest your food by helping your liver produce more bile. It decreases the amount of phlegm produced by your body. It is also thought to help dissolve gallstones.