SAFE — No Known Interaction
🟢 SAFE — Propranolol and Guarana can be taken together safely.
Evidence level: MODERATE
Propranolol and Guarana are generally safe to use together. No adverse interactions have been reported.
No clinically significant interaction between Propranolol and Guarana has been documented in medical literature.
No dietary interaction between Propranolol and Guarana. You can consume both without concern.
Take Propranolol at the same time daily. Food generally doesn't significantly affect beta-blocker absorption. Guarana — potassium-rich foods (bananas, oranges) are generally fine with beta-blockers (unlike ACE inhibitors). Avoid excessive caffeine intake, which can counteract blood pressure benefits.
Higher risk for: those with asthma or COPD, bradycardia, diabetes (may mask hypoglycemia symptoms), elderly, concurrent calcium channel blocker use, or peripheral vascular disease.
Monitor blood pressure and heart rate when combining Propranolol with Guarana. 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).
No urgent discussion needed. Keep your provider informed of your full supplement list.
Safe combination. No dietary restrictions needed. Maintaining a consistent diet helps ensure predictable supplement and medication performance.
Propranolol and Guarana are generally safe to use together. No adverse interactions have been reported.
Take Propranolol at the same time daily. Food generally doesn't significantly affect beta-blocker absorption. Guarana — potassium-rich foods (bananas, oranges) are generally fine with beta-blockers (unlike ACE inhibitors). Avoid excessive caffeine intake, which can counteract blood pressure benefits.
Monitor blood pressure and heart rate when combining Propranolol with Guarana. 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).
Safe combination. No dietary restrictions needed. Maintaining a consistent diet helps ensure predictable supplement and medication performance.
No urgent discussion needed. Keep your provider informed of your full supplement list.
Or browse the full interaction database (121,000+ pairs).