Have you ever included watercress in your diet before? Yes, watercress is an aquatic plant and you can easily find it near springs, streams, or any other waterways with slow water flow. To tell you the truth, watercress is often overlooked. However, this is something that should not be done anymore. Watercress nutrition proves to contribute great things for human body health. Let us tell you the main nutrition facts and watercress benefits here.