Vegetables green color are produced by chlorophyll. Its molecular structure and chemical components are similar to that of human blood. Blood's hemoglobin is made up of carbon, hydrogen, oxygen and nitrogen organized around a single atom of iron. Chlorophyll is the same with the exception of the central atom, which is magnesium rather than iron. It’s only natural to get more greens into your diet. With NinjaGreens you do not need to rely too much on one food source to introduce a wide variety of fruits and veggies into your diet.