This pamphlet was transcribed from a lecture by Dr. Royal Lee. It was delivered to a meeting of physicians and dentists in April, 1956 for The American Academy of Applied Nutrition. Through Dr. Lee’s own words, he explains in very understandable terms the meaning of protomorphology and the nutritional benefits of protomorphogens. This pamphlet should be your first read in the protomorphology series. For those trying to understand the benefits of the use of protomorphogens, as well as the difference between whole desiccated cell products, this is an excellent place to start.