Whenever free radicals react with and degrade polyunsaturated fats, malondialdehyde is formed. It is a highly reactive organic compound that may have the capability of changing the DNA of organisms.
Malondialdehyde levels in the blood are used as a bio-marker for oxidative stress and damage. Some studies have shown that supplementation with Coenzyme Q10 results in lower levels of malondialdehyde.