Coenzyme Q10 (CoQ10)

Coenzyme Q10, an antioxidant, may benefit patients with certain heart conditions. Can interact with certain medications used to treat high cholesterol. Ask your doctor before taking.

Coenzyme Q10 (CoQ10) Overview

Reviewed: June 19, 2014
Updated: 

Coenzyme Q10 (CoQ10) is an antioxidant that is necessary for cells to function properly. It is found in plants, bacteria, animals, and people.

CoQ10 supplements may benefit some patients with cardiovascular disorders.

Common side effects of CoQ10 include:

  • insomnia
  • increased liver enzymes
  • rashes
  • nausea
  • upper abdominal pain
  • dizziness
  • sensitivity to light
  • irritability
  • headaches
  • heartburn
  • fatigue

Coenzyme Q10 (CoQ10) Cautionary Labels

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precautions

Uses

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CoQ10 supplements may benefit some patients with cardiovascular disorders.

Researchers have also looked at the effects of CoQ10 for drug-induced muscle weakness, reproductive disorders, cancer, and other diseases. However, results from these studies are limited and not conclusive.

CoQ10 may be used for other conditions. Ask your doctor or pharmacist for more information.

Side Effects of Coenzyme Q10 (CoQ10)

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Studies have not reported serious side effects related to CoQ10 use.

  • insomnia
  • increased liver enzymes
  • rashes
  • nausea
  • upper abdominal pain
  • dizziness
  • sensitivity to light
  • irritability
  • headaches
  • heartburn
  • fatigue

This is not a complete list of CoQ10 side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

 

Coenzyme Q10 (CoQ10) Interactions

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Tell your doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Especially tell your doctor if you take:

  • statins such as rosuvastatin and simvastatin
  • warfarin (Coumadin, Jantoven)

This is not a complete list of CoQ10 drug interactions. Ask your doctor or pharmacist for more information.

 

Coenzyme Q10 (CoQ10) Precautions

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Special precautions & warnings:

  • CoQ10 should not be used by women who are pregnant or breastfeeding.