Chlorella is a single celled green microalgae that naturally contains the phytonutrients Chlorophyll, the elements in plants that captures the sun’s rays. It has a hard cell wall that humans cannot digest, as such it must be taken as a supplement to reap its benefits. Chlorella’s impressive nutritional profile has led some to call it a “super food.” The exact nutrient content depends on growing conditions, the species used and how supplements are processed;