Chlorophyll is a natural substance in plants that gives them their green pigment. Chlorophyll also works by absorbing the sunlight needed for photosynthesis, a process that converts light to chemical energy for nourishment of plant life. Experts claim that Chlorophyll works the same way as iron in the body and may provide multiple health benefits. visit us http://www.tasmanhealth.co.nz/now-foods-chlorophyl l/ for more details!!