Is Magnesium Safe with Atenolol?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Use magnesium supplements at dietary dose levels unless directed otherwise. Monitor blood pressure and report dizziness or slow heart rate to your provider.
Why this interaction occurs
Magnesium supplementation can lower blood pressure and slow cardiac conduction. Combined with Atenolol, a cardioselective beta-blocker, there is potential for additive blood pressure and heart rate lowering effects.
Evidence
Evidence level: moderate.
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 Magnesium interactions → · All Atenolol interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.