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What is Coenzyme Q10?

1. What is Coenzyme Q10 (Co-Q10, Co Q10)?
2. Preclinical Studies of Coenzyme Q10 (Co-Q10, Co Q10)
3. Heart Disease and Coenzyme Q10 (Co-Q10, Co Q10)
4. Side Effects of Coenzyme Q10 (Co-Q10, Co Q10)

Coenzyme Q10 (also known as CoQ10, Q10, vitamin Q10, ubiquinone, or ubidecarenone) is a compound that is made naturally in the body. A coenzyme is a substance needed for the proper functioning of an enzyme, a protein that speeds up the rate at which chemical reactions take place in the body. The Q and the 10 in coenzyme Q10 refer to parts of the compound's chemical structure.

Coenzyme Q10 is used by cells to produce energy needed for cell growth and maintenance. It is also used by the body as an antioxidant. An antioxidant is a substance that protects cells from chemicals called free radicals. Free radicals are highly reactive chemicals that can damage important parts of cells, including deoxyribonucleic acid (DNA). (DNA is a molecule inside cells that carries genetic information and passes it from one generation to the next.) This damage may play a role in the development of cancer.

Coenzyme Q10 is found in most body tissues. The highest amounts are found in the heart, liver, kidneys, and pancreas. The lowest amounts are found in the lungs. Tissue levels of coenzyme Q10 decrease as people get older.

(From the National Institute of Health)
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