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Question: I take lisinopril (Zestril), an ACE inhibitor drug to lower blood pressure. Are there supplements I should avoid, or be taking, due to this drug?
Answer: Yes, if you take lisinopril (Zestril, Prinivil) or another ACE inhibitor such as enalapril (Vasotec), quinapril (Accupril), benazepril (Lotensin), or ramipril (Altace) for high blood pressure or congestive heart failure, certain supplements may cause problems while others may be helpful -- some of which should be taken at a different time of day than your ACE inhibitor.
These interactions are explained in the ACE Inhibitors article, which is part of the extensive Drug Interactions section of our website (where you can look up interaction for other drugs you may be taking).