Natures Sunshine Chlorophyll Digestive Tract Detoxifier is the green pigment in plants that harnesses the sun's energy through photosynthesis. Chlorophyll performs metabolic functions in plants such as respiration and growth. Chlorophyll supports healthy immune function and assists the body's ability to cleanse, detoxify and deordorise. The alfalfa plant, from which Nature's Sunshine's chlorophyll is derived, is an excellent source of chlorophyll.