Supports Joint HealthSupports Healthy Inflammatory Response Works Well with GlucosamineGMP Quality Assured A Dietary Supplement NOW® Cetyl Myristoleate (CM) is a modified medium chain fatty acid ester that is vegetable derived. Studies have shown that CM may support joint health through its beneficial effect on the body"s normal inflammatory response. We recommend using NOW Cetyl Myristoleate (CM) in conjunction with Glucosamine and MSM for superior, synergistic activity.