I'm not sure but it may be that CMD stands for Colloidal Mineral Drop that is necessary for human body to keeping fit and strong.
if you mean what does cmd stand for then its: Command Prompt
It could stand for Doctor of Optometry, or Doctor of Osteopath.
Plastic Surgeon
ddsd
Monetary policy committee
College of Gynaecology
The letters DO after a physician's name stand for Doctor of Osteopathic Medicine.
Master of Physician Assistant Studies
Fellow of the American College of Nutrition
Naturopathic Medical Doctor
it means they work on skin
RN stands for Registered Nurse