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CoQ10 / Ubiquinol

Also called: coenzyme q10, ubiquinone, ubiquinol

Coenzyme Q10, a compound the body makes and uses to produce energy in cells. Ubiquinol is one form of it.

Why people take it
Energy, heart health, ageing, and muscle aches from statin medicines.
What the evidence says
Studied in heart failure, migraine and statin muscle pain, with mixed results. Not proven to boost energy in healthy people.
Be careful
May make warfarin less effective and can lower blood pressure. Talk to your doctor if you take heart or blood-pressure medicines.
In food
Meat, fish, whole grains.

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Common questions

What is CoQ10 / Ubiquinol?

Coenzyme Q10, a compound the body makes and uses to produce energy in cells. Ubiquinol is one form of it.

Why do people take CoQ10 / Ubiquinol?

Energy, heart health, ageing, and muscle aches from statin medicines.

Does CoQ10 / Ubiquinol work?

Studied in heart failure, migraine and statin muscle pain, with mixed results. Not proven to boost energy in healthy people.

Is CoQ10 / Ubiquinol safe?

May make warfarin less effective and can lower blood pressure. Talk to your doctor if you take heart or blood-pressure medicines.

Sources and further reading

Mayo Clinic: coenzyme Q10

Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. Supplements are not medicines: they are not tested and approved like drugs before they are sold, and they can interact with medicines. Talk to your doctor or pharmacist before you start one, especially if you are pregnant or breastfeeding, take regular medicines, or have kidney, liver or heart disease.