From the Manufacturer's Label:
World Organic’s Liquid Chlorophyll is derived from high quality alfalfa leaves. Chlorophyll is essential to the process of photosynthesis… often called the “building block of life.” Without chlorophyll there is no life. Chlorophyll is a natural fat soluble nutrient which World Organic makes water dispersible for premier results.
World Organic’s Liquid Chlorophyll is uniquely formulated into our exclusive isotonic solution. This distinctive solution is similar in its osmotic compatibility with human blood.