With a perfect “nutrient density score”, the cruciferous vegetable watercress can bring you a myriad of health benefits, while being a versatile addition to your diet.

With its peppery flavor and vibrant green color, the watercress has long been cherished as far more than just another salad green. This unassuming vegetable contains an astonishing concentration of vital nutrients for which it has been praised since ancient times.

Modern science is now revealing the secrets behind this superfood—once known as a cure for scurvy (pdf) among sailors at sea—and how it can help fight disease, strengthen the body, and add years to your life.