What kind of interaction is it?

Synergy: a documented combination effect that is stronger or more useful than either substance taken alone.

Is this interaction backed by published research?

Yes. NutriStack lists 2 citation rows for the Coenzyme Q10 Ubiquinol + Simvastatin pair, each linking to PubMed by PMID where available. Full sourcing methodology at https://nutristackapp.com/methodology/interactions.

Interaction databaseSupplement × PrescriptionReviewed May 2026

Coenzyme Q10 Ubiquinol and Simvastatin, a synergy.

Q: Can I take Coenzyme Q10 Ubiquinol and Simvastatin together?

Yes. The combination of Coenzyme Q10 Ubiquinol and Simvastatin produces a measurable benefit. Simvastatin inhibits HMG-CoA reductase, reducing endogenous CoQ10 synthesis as a consequence of mevalonate pathway inhibition. Simvastatin may cause more myalgia than some other statins, and CoQ10 depletion is a proposed contributing mechanism. Supplementation may help reduce these symptoms.

Q: How does this affect a NutriStack Stack Score?

+2 to your Stack Score per scored synergy row.

Simvastatin inhibits HMG-CoA reductase, reducing endogenous CoQ10 synthesis as a consequence of mevalonate pathway inhibition. Simvastatin may cause more myalgia than some other statins, and CoQ10 depletion is a proposed contributing mechanism. Supplementation may help reduce these symptoms.

2 primary source citations. Moderate evidence. Last verified May 30, 2026.

Open the interaction checker →Read the methodology

One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.

Sourcing standards·Evidence tiers

From the interaction database

What the row says.

Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.

At a glance

Substances: Coenzyme Q10 Ubiquinol and Simvastatin
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. Simvastatin inhibits HMG-CoA reductase, reducing endogenous CoQ10 synthesis as a consequence of mevalonate pathway inhibition. Simvastatin may cause more myalgia than some other statins, and CoQ10 depletion is a proposed contributing mechanism. Supplementation may help reduce these symptoms.

Mechanism. Simvastatin inhibits HMG-CoA reductase, blocking the mevalonate pathway upstream of both cholesterol and CoQ10 biosynthesis. CoQ10 depletion reduces mitochondrial electron transport chain efficiency in skeletal muscle, potentially leading to impaired energy production and myopathy.

Recommendation. Consider CoQ10 supplementation (100-200mg/day ubiquinol) if experiencing muscle symptoms on simvastatin. CoQ10 does not reduce simvastatin's cholesterol-lowering efficacy.

Sources (2)

Stack Score

How this pair moves the number.

Effect on the composite score

If both Coenzyme Q10 Ubiquinol and Simvastatin 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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