Eating nuts, groundnut daily could lower death risk from cancer, other diseases. .. Groundnuts and nuts are a good source of omega-3, fiber, vitamin e, antioxidants and "good" fats. As such, they have been associated with a number of health benefits, particularly for the heart groundnuts are an especially good source of healthful fats, protein, and fiber. They also contain plenty of potassium, phosphorous, magnesium, and b vitamins. Despite being high in calories, groundnuts are nutrient-rich and low in carbohydrates.