Coenzyme Q10 for Heart Health
Fat-soluble compound essential to mitochondrial ATP production and antioxidant defence; levels decline with age and statin use, so supplementation is studied for statin-associated muscle symptoms and cardiovascular support.
Coenzyme Q10 for Heart Health
3 of 6 results reported a benefit, from 1 published study.
1 review of trials · the chart counts everything measured
- 3 reported a benefit
- 3 unclear
Colour keyReported a benefitNo clear benefitUnclearPossible harmAmber is for highlights, such as where the most research is. It never means a result was good.
- Heart attacksNo clear difference62% higher risk1 review of trials2021 study ↗
- Heart failure hospital admissions38%lower risk than the comparison group1 review of trials2021 study ↗
- Heart pumping strength (LVEF)1.77higher, unit not reported1 review of trials2021 study ↗
- Deaths from any cause42%lower risk than the comparison group1 review of trials2021 study ↗
- Number of strokesNo clear difference82% lower risk1 review of trials2021 study ↗
Also measured in these studies (1)
These were measured alongside, but they are not what this condition is about.
- Exercise capacityNo clear difference48.2 higher, unit not reported1 review of trials2021 study ↗
Side effects: measured in 1 result. No result reported more side effects than the comparison group.
These are the figures the studies reported, not a prediction for any one person. Where several studies measured the same thing in the same unit, we show a simple average and say so. Every result is listed below.
See every resultThe connection
Blood pressure, cholesterol, heart function and circulation.
Also known as: CoQ10, Ubiquinone, Ubiquinol
Coenzyme Q10 × Heart Health: at a glance
Every published result for this pair, extracted and audited.
These charts count reported findings from published studies, grouped by reported benefit and study design. Study design is not a certainty grade.
Coenzyme Q10 / Heart Health: reported findings; one study may contribute several findings.
What the evidence shows
What this means: Counts describe research quantity, not treatment effectiveness or certainty.
| Category | Findings (count) |
|---|---|
| Unclear | 4 |
| Benefit | 3 |
Study designs behind these findings
What this means: Counts describe research quantity, not treatment effectiveness or certainty.
| Category | Findings (count) |
|---|---|
| Meta-analysis | 7 |
- Studies
- 1
| Study | Outcome | Reported result | Uncertainty (as reported) | Study duration |
|---|---|---|---|---|
| Coenzyme Q10 for heart failure. (PMID 35608922) | adverse events | 0.70 RR | 95% CI 0.45 to 1.10 | Not reported |
| Coenzyme Q10 for heart failure. (PMID 35608922) | all-cause mortality | 0.58 RR | 95% CI 0.35 to 0.95 | Not reported |
| Coenzyme Q10 for heart failure. (PMID 35608922) | exercise capacity | 48.23 MD | 95% CI -24.75 to 121.20 | Not reported |
| Coenzyme Q10 for heart failure. (PMID 35608922) | hospitalisation related to heart failure | 0.62 RR | 95% CI 0.49 to 0.78 | Not reported |
| Coenzyme Q10 for heart failure. (PMID 35608922) | left ventricular ejection fraction | 1.77 MD | 95% CI 0.09 to 3.44 | Not reported |
| Coenzyme Q10 for heart failure. (PMID 35608922) | myocardial infarction | 1.62 RR | 95% CI 0.27 to 9.59 | Not reported |
| Coenzyme Q10 for heart failure. (PMID 35608922) | stroke | 0.18 RR | 95% CI 0.02 to 1.48 | Not reported |
Study results, as reported by the publications
Every measured outcome, one row per finding - numbers exactly as reported. Units are preserved where supplied; missing units are not inferred.
| Study and type | Reported sample and duration | Outcome measured | Reported result | What studies found |
|---|---|---|---|---|
| PMID 35608922 2021 Meta-analysis | Sample (as reported): 568Duration: Not reported | adverse events | 0.70 RR (95% CI 0.45 to 1.10) | Unclear |
| PMID 35608922 2021 Meta-analysis | Sample (as reported): 420Duration: Not reported | all-cause mortality | 0.58 RR (95% CI 0.35 to 0.95) | Benefit |
| PMID 35608922 2021 Meta-analysis | Sample (as reported): 91Duration: Not reported | exercise capacity | 48.23 MD (95% CI -24.75 to 121.20) | Unclear |
| PMID 35608922 2021 Meta-analysis | Sample (as reported): 1061Duration: Not reported | hospitalisation related to heart failure | 0.62 RR (95% CI 0.49 to 0.78) | Benefit |
| PMID 35608922 2021 Meta-analysis | Sample (as reported): 650Duration: Not reported | left ventricular ejection fraction | 1.77 MD (95% CI 0.09 to 3.44) | Benefit |
| PMID 35608922 2021 Meta-analysis | Sample (as reported): 420Duration: Not reported | myocardial infarction | 1.62 RR (95% CI 0.27 to 9.59) | Unclear |
| PMID 35608922 2021 Meta-analysis | Sample (as reported): 420Duration: Not reported | stroke | 0.18 RR (95% CI 0.02 to 1.48) | Unclear |
Coenzyme Q10 × Heart Health: the evidence base
Hand-selected PubMed studies, linked to the originals.
Ordered by strength of evidence, then result direction.
01Taurine supplementation as a therapeutic strategy for cellular senescence and chronic inflammation in long COVID: a systematic review and meta-analysisWang K, et al. · BMC infectious diseases · 2026PMID 41803812 ↗02Dietary Supplementation for Fatigue Symptoms in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)-A Systematic ReviewDorczok MC, et al. · Nutrients · 2025PMID 39940333 ↗03Energy Drinks as the Legal Cocaine? A Comparative Review of Cardiac Physiopathological and Histopathological PatternsGhamlouch A, et al. · Cardiovascular toxicology · 2025PMID 41266869 ↗04Coenzyme Q10 supplementation in rheumatic diseases: A systematic reviewFreire de Carvalho J, et al. · Clinical nutrition ESPEN · 2024PMID 38220408 ↗05Evaluating the efficacy of ubiquinol in heart failure patients: a systematic review and meta-analysisQazi SU, et al. · Future cardiology · 2024PMID 39049769 ↗06Insights into the cardiovascular benefits of taurine: a systematic review and meta-analysisTzang CC, et al. · Nutrition journal · 2024PMID 39148075 ↗Community experiences
Contributors volunteered; this does not establish treatment effectiveness or population incidence.
Reported changes
No publishable community breakdown is available. This does not establish that no reports exist.