These seeds are found in watermelon fruit and provide great benefits, being low in calories and high in nutrients. Watermelon seeds are among the most nutrient-dense seeds. They are a rich source of proteins, vitamins, omega 3 and omega 6 fatty acids, magnesium, zinc, copper, potassium, and more. Watermelon seeds are high in a variety of micronutrients and are especially noteworthy for their protein and vitamin B content. Watermelon seeds are among the most nutrient-dense seeds. They are high in proteins, vitamins, omega 3 and omega 6 fatty acids, magnesium, zinc, copper, potassium, and other nutrients. Watermelon seeds are associated with improved blood sugar control and decreased insulin resistance in the body. Watermelon seeds are high in calories and provide an energy boost.