Studies link the consumption of sunflower seeds to a number of health benefits, including lowering your risk of developing diseases like high blood pressure or heart disease. They also contain nutrients that can support your immune system and boost your energy levels. .. . Sunflower seeds contain vitamin E, flavonoids, and other plant compounds that can reduce inflammation.Sunflower seeds are a source of many vitamins and minerals that can support your immune system and increase your ability to fight off viruses. These include both zinc and selenium. While the high levels of protein in sunflower seeds already help boost your energy levels, other nutrients like vitamin B and selenium can help keep you energized.