Is CoQ10 Safe with Atenolol?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Inform your healthcare provider if taking CoQ10 alongside Atenolol. Monitor for signs of low blood pressure such as lightheadedness.
Why this interaction occurs
CoQ10 supplementation may modestly lower blood pressure through vascular mechanisms. When combined with Atenolol, this may enhance antihypertensive effects, though the interaction is generally mild in most patients.
Evidence
Evidence level: limited.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 128,375 reports mentioning Atenolol. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Atenolol + 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 Atenolol interactions →
Already checked this one — check your whole list
Educational only — not medical advice.
Always confirm with your doctor or pharmacist.