Grape Seed Extract + Propranolol

SAFE — No Known Interaction

🟢 SAFE — Propranolol and Grape Seed Extract can be taken together safely.

Evidence level: LIMITED

What this interaction means

Propranolol and Grape Seed Extract are generally considered safe to use together based on current medical evidence. No adverse interactions have been reported.

How it works (mechanism)

No clinically significant interaction between Propranolol and Grape Seed Extract has been identified in medical literature or FDA drug labeling.

Practical advice

No interaction documented between Propranolol and Grape Seed Extract. Always inform your healthcare provider about all supplements you take.

Timing

Take each at their normal times. Grape Seed Extract — if it's hawthorn (a common cardiovascular botanical), it may have additive blood pressure and heart rate lowering effects with Propranolol. Monitor pulse and blood pressure. Stimulating botanicals like ephedra (ma huang) can counteract beta-blockers.

Risk factors

Higher risk for: those with asthma or COPD, bradycardia, diabetes (may mask hypoglycemia symptoms), elderly, concurrent calcium channel blocker use, or peripheral vascular disease.

Symptoms to watch for

Monitor blood pressure and heart rate when combining Propranolol with Grape Seed Extract. Watch for: dizziness, lightheadedness (especially when standing up), fatigue, cold extremities, slow heartbeat, or swelling in ankles/feet. Check your blood pressure at home if possible. When to seek emergency help: Fainting, chest pain, heart rate below 50 bpm, severe dizziness, difficulty breathing, or allergic reactions (swelling of face, lips, or tongue).

What to tell your doctor

No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. Say: "I take Propranolol and Grape Seed Extract — is that OK?"

Safer alternatives

Safe combination at standard doses. Continue your medication as prescribed. Inform your doctor or pharmacist that you are using both, so they can monitor for any changes over time.

Frequently asked questions

Can I take Grape Seed Extract and Propranolol together?

Propranolol and Grape Seed Extract are generally considered safe to use together based on current medical evidence. No adverse interactions have been reported.

When should I take Grape Seed Extract vs Propranolol?

Take each at their normal times. Grape Seed Extract — if it's hawthorn (a common cardiovascular botanical), it may have additive blood pressure and heart rate lowering effects with Propranolol. Monitor pulse and blood pressure. Stimulating botanicals like ephedra (ma huang) can counteract beta-blockers.

What symptoms should I watch for if I combine Grape Seed Extract and Propranolol?

Monitor blood pressure and heart rate when combining Propranolol with Grape Seed Extract. Watch for: dizziness, lightheadedness (especially when standing up), fatigue, cold extremities, slow heartbeat, or swelling in ankles/feet. Check your blood pressure at home if possible. When to seek emergency help: Fainting, chest pain, heart rate below 50 bpm, severe dizziness, difficulty breathing, or allergic reactions (swelling of face, lips, or tongue).

Are there safer alternatives to combining Grape Seed Extract with Propranolol?

Safe combination at standard doses. Continue your medication as prescribed. Inform your doctor or pharmacist that you are using both, so they can monitor for any changes over time.

What should I tell my doctor about taking Grape Seed Extract and Propranolol?

No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. Say: "I take Propranolol and Grape Seed Extract — is that OK?"

Explore more interactions

Or browse the full interaction database (121,000+ pairs).