Sunflower seeds are packed with essential nutrients. The presence of magnesium in these kernels helps in keeping your blood sugar levels in control. The dietary fiber present in sunflower seeds cleans and detoxifies your digestive system and ensures smooth bowel movement. Sunflower seeds are also rich in vitamin E, which helps in neutralizing free radicals that could damage your brain cells. Hence, sunflower seeds are a great addition to your pregnancy diet.