Additive BP reduction
Monitor BP.
May reduce effectiveness
Monitor INR.
Reduces CoQ10 levels
Take at separate meals.
May increase drug absorption
Be aware.
May increase drug levels
Monitor.
Complex interaction
Likely not clinically significant.
Products found to contain 82-166% of labeled CoQ10. Some ubiquinone products also contained ubiquinol (not harmful, just mislabeled).
Not Prohibited.
Products found to contain 82-166% of labeled CoQ10. Some ubiquinone products also contained ubiquinol (not harmful, just mislabeled).
Based on independent third-party laboratory analysis
Category pass rate: ~70% — 6 Amazon best-sellers had <8% of claimed content (essentially empty).
Independently graded against 173,636 indexed supplements with 177 published clinical interactions, sourced from PubMed, FDA CAERS, openFDA, and NIH DSLD | Last updated: April 5, 2026
Not medical advice. Based on published clinical research and systematic reviews.
Coenzyme Q10 · interaction landscape
4 flagged
0
Dangerous
4
Moderate
0
Timing
0
Pre-op
Safety
Moderate interactions. Monitoring, timing separation, or dose adjustment may be required.
Warfarin
SourceClinical pharmacology
Blood pressure medications
SourceClinical consensus
Chemotherapy
SourceTheoretical
Insulin and diabetes medications
SourceClinical consensus
Educational information only. This is not medical advice. These statements have not been evaluated by the FDA. Talk to your prescriber before starting, stopping, or combining any supplement with prescription medication.