Looking for a nutritious alternative to soy lecithin? Swanson Premium Brand® Sunflower Lecithin is non-GMO and soy free to provide you with the best option at the best price. Lecithin is a type of phospholipid found in pure sunflower seeds and is a source of phosphatidylcholine, a constituent found in your brain and nervous system. In fact, your brain is approximately 30% lecithin. Get more nourishment for your brain with non-GMO Sunflower Lecithin, which can be easily blended into smoothies or sprinkled over salads, soups or yogurt.