What is Coenzyme Q10 (CoQ10)?

Coenzyme Q10 (CoQ10) is a naturally occurring antioxidant found in every cell of the body, particularly concentrated in the heart, liver, and kidneys. It belongs to a class of compounds known as ubiquinones, which are crucial for energy production within mitochondria, the powerhouse of cells. CoQ10 has been extensively studied for its potential health benefits, especially in relation to cardiovascular health. Research suggests that it may help improve heart function and reduce symptoms in indivi

How many studies on Coenzyme Q10 (CoQ10) are available?

NutriVouch references 311 human studies on Coenzyme Q10 (CoQ10), all peer-reviewed and indexed on PubMed.

Is Coenzyme Q10 (CoQ10) effective for Heart Health?

For Heart Health, Coenzyme Q10 (CoQ10) has an effectiveness score of 7/10 — strong evidence supporting clinical use. Based on 19 relevant studies.

Is Coenzyme Q10 (CoQ10) effective for Antioxidant Protection?

For Antioxidant Protection, Coenzyme Q10 (CoQ10) has an effectiveness score of 6/10 — moderate evidence — works in some populations. Based on 20 relevant studies.

Is Coenzyme Q10 (CoQ10) effective for Fertility Support?

For Fertility Support, Coenzyme Q10 (CoQ10) has an effectiveness score of 5/10 — moderate evidence — works in some populations. Based on 18 relevant studies.

Is Coenzyme Q10 (CoQ10) effective for Energy Levels?

For Energy Levels, Coenzyme Q10 (CoQ10) has an effectiveness score of 4/10 — weak or limited clinical evidence. Based on 12 relevant studies.

Is Coenzyme Q10 (CoQ10) effective for Exercise Performance?

For Exercise Performance, Coenzyme Q10 (CoQ10) has an effectiveness score of 4/10 — weak or limited clinical evidence. Based on 10 relevant studies.

Confidence level

Strong evidence

311 studies

Coenzyme Q10 (CoQ10)

Absorption

✦Take with a fat-containing meal for best absorption, as CoQ10 is fat-soluble. Softgel forms are generally better absorbed than powder or tablet forms.

Daily Dose

⚖

Common dose: 100–300 mg daily

RDA: No official RDA established

Upper limit: Not established

Best form: Ubiquinol, Ubiquinone

Timing: With a fat-containing meal

Higher doses are sometimes used in clinical settings, but long-term safety is not well established. Consult a healthcare provider before starting supplementation, especially if taking medications such as statins or anticoagulants.

Effects

❤ Heart Health

7.019 studies›

🍇 Antioxidant Protection

🏃 Exercise Performance

4.010 studies›

Food Sources

Beef heart11mg per 100g
Pork heart10mg per 100g
Chicken liver3.3mg per 100g
Soybean oil1.3mg per 100g
Sardines2.7mg per 100g