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Coenzyme Q10
Supplements · Moderate evidence
Evidence
58
Impact
30
CoQ10's most consistent evidence is for reducing statin-associated muscle symptoms and modestly aiding heart failure symptoms.
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8 studies reviewed · 8 meta-analyses
Score history
Research summary
- Meta-analyses spanning from 1997 through a 2014 Cochrane review find CoQ10 supplementation can modestly improve symptoms and some outcomes in heart failure, though a 2022 health-technology assessment concluded the evidence is not yet strong enough to firmly establish cost-effective clinical benefit for reduced-ejection-fraction heart failure specifically.
- Its best-replicated use case is countering statin-associated muscle symptoms: since statins lower circulating CoQ10 levels (confirmed by meta-analysis), multiple independent meta-analyses of randomized trials find CoQ10 supplementation reduces statin-induced myopathy symptoms and may improve treatment adherence.
- A dedicated meta-analysis also found CoQ10 has a modest preventive effect for migraine.
- Across all these applications, individual trials tend to be small, so effect sizes carry real but limited certainty — genuine, specific benefits rather than broad anti-aging effects.
Cardiovascular Health
Studies8 considered · latest 2025
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