cm8CM8 is a purified form of Cetyl Myristoleate, a compound that occurs in certain mammals and has lubricating and anti-inflammatory properties. Learn how CM8 was discovered, how it works, and why it is not widely available in supplements.CM8 is the Postcode District for Witham in Essex. The postcode district is located in the CM Chelmsford postal area , CM8 has a population of 35,665 residents according to the 2021