Should I tell my cardiologist that I take a CoQ10 supplement?

Dr. Richard T. Leshner, DO

Cardiologist (Heart Specialist)

You should tell your cardiologist that you take a coenzyme Q10 (CoQ10) supplement. CoQ10 may be used by people with congestive heart failure (CHF) and others with cardiac disease. However, it prolongs a portion of the electrocardiogram called the QT interval, and if you mix that with certain medications that cardiologists use commonly, it can be deadly. You really have to bring that information to your physician. You think it’s a supplement, it isn’t important, but it truly is important. Your cardiologist needs to know everything you take.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.

Dietary Supplements

Whether you're visiting the drug store, grocery or natural food shop you'll likely find an aisle where there are jars and bottles of things for you to put in your body that are neither foods nor medicines. Ranging from vitamins and minerals to fiber and herbal remedies, these supplements are not regulated in the same way as either food or medicine. Some of them are backed by solid research, others are folk remedies or proprietary cures. If your diet does not include enough of certain vitamins or minerals, a supplement may be a good idea. Natural treatment for conditions like constipation may be effective. But because these substances are unregulated, it is always a good idea to educate yourself about the products and to use common sense when taking them. This is even more true if you are pregnant or taking a medicine that may be affected by supplements.

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