CNP ProCreatine E2 is a revolutionary form of creatine ethyl ester which is rapidly absorbed into the muscles for greater uptake and more efficient use. Creatine ethyl ester has been the subject of many scientific studies, which conclude that creatine supplementation can improve performance in repeated bouts of short term high intensity exercise. Creatine is safe, natural and has no known side effects. It is totally natural substance found in our own muscle tissue. Pro Creatine E2 tablets are a convenient way to take creatine ethyl ester daily, and requires no loading phase or cycling.are a convenient way to take creatine ethyl ester daily, and requires no loading phase or cycling.