Interaction databaseSupplement × PrescriptionReviewed May 2026

Coenzyme Q10 and Lovastatin, a synergy.

Lovastatin can lower CoQ10 production by blocking the mevalonate pathway. CoQ10 depletion is a plausible contributor to statin-associated myalgia, though supplementation benefits are inconsistent across trials. CoQ10 is generally used as supportive therapy rather than as a replacement for statin adjustment.

One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
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At a glance

Substances
Coenzyme Q10 and Lovastatin
Pair type
Synergy
Evidence (highest tier)
Moderate
Source citations
2 sources
Stack Score effect
+2 to your Stack Score (per scored synergy row).
Scope
Supplement × Prescription
Last verified
May 30, 2026

Synergy · Moderate evidence

Synergy

What is happening. Lovastatin can lower CoQ10 production by blocking the mevalonate pathway. CoQ10 depletion is a plausible contributor to statin-associated myalgia, though supplementation benefits are inconsistent across trials. CoQ10 is generally used as supportive therapy rather than as a replacement for statin adjustment.

Mechanism. Lovastatin inhibits HMG-CoA reductase upstream of both cholesterol and CoQ10 biosynthesis. Lower CoQ10 may impair mitochondrial oxidative phosphorylation in muscle, which is one proposed mechanism for statin-associated muscle symptoms.

Recommendation. Consider CoQ10 100-200 mg/day if you have muscle symptoms on lovastatin and your clinician agrees it is reasonable. Seek medical advice promptly for severe weakness, dark urine, or rapidly worsening muscle pain.

Sources (2)
  1. Banach M, Serban C, Sahebkar A, Ursoniu S, Rysz J, Muntner P, et al. Effects of coenzyme Q10 on statin-induced myopathy: a meta-analysis of randomized controlled trials. Mayo Clin Proc. 2015;90(1):24-34. PMID 25440725
  2. Qu H, Meng YY, Chai H, Liang F, Zhang JY, Gao ZY, et al. The effect of statin treatment on circulating coenzyme Q10 concentrations: an updated meta-analysis of randomized controlled trials. Eur J Med Res. 2018;23(1):57. PMID 30414615

Stack Score

How this pair moves the number.

Effect on the composite score

If both Coenzyme Q10 and Lovastatin are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).

The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.

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