Sun Chlorella contains one of the highest natural sources of DNA & RNA, provides more than 20 different vitamins & minerals, an abundance of naturally occuring Beta Carotene (Provitamin A), B12 as well as 19 amino acids, including all of the essential amino & fatty acids. It is particularly rich in lysine which is often lacking in our diet. Today's major health problems are the result of disorders with our cells. Healthy cell metabolism & renewal are dependent on proper nutritional balance & DNA & RNA. No vitamins or minerals can replace the value of whole foods. & chlorella, one of the highest natural sources of chlorophyll, contains 20 times the chlorophyll of alfalfa, nearly 10 times of spirulina, 8 times that of wheat grass & 10 times that of barley grass.