The phosphorus and zinc in sunflower seeds have a positive effect on bone and teeth formation. A source of phosphorus, sunflower seeds help regulate the contraction of the heart muscle and regulate kidney functions. Zinc is an important substance helping to prevent acne, strengthen the immune system, stop chronic infections, sharpen the senses of taste and smell and increase sperm movement, and sunflower seeds contain plenty of zinc. Sunflower seeds, with the vitamin B6 they contain, help keep blood sugar levels low and the immune system strong. The vitamin E in sunflower oil regulates heart, artery, brain and nerve functions, helps wounds heal faster and prevents the body against prostate cancer. Sunflower seeds help slow down the aging of the skin.