Is CoQ10 Safe with Metoprolol?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Monitor blood pressure regularly when starting or stopping CoQ10. Inform your doctor before adding CoQ10 to your regimen.
Why this interaction occurs
CoQ10 has demonstrated mild antihypertensive effects. Combined use with Metoprolol may produce additive hypotensive effects, potentially causing dizziness or fainting, especially on standing.
Evidence
Evidence level: moderate.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 330,477 reports mentioning Metoprolol. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Metoprolol + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All CoQ10 interactions → · All Metoprolol interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.