Lecithin is not a defangled man made substance. It is a powerful brain food. Did you know that approximately 1/3 of your brain is made from lecithin? When you include lecithin in your diet, you are nourishing your brain and helping to support your nervous system. Lecithin is a historical superfood that is making a comeback from the source of sunflower seeds. THM Sunflower Lecithin is pure, soy free and does not contain any GMO's.