Is this supplement the key to improved energy and heart health? A registered dietitian weighs in. Reviewed by Dietitian Emily Lachtrupp, M.S., RD Maybe your doctor recommended you take CoQ10 or ...

People with certain conditions may have lower levels of a natural substance in the body known as coenzyme Q10, or CoQ10. This is used to generate energy, and it’s also an antioxidant that your ...