Drug Information
Enalapril is a type of angiotensin-converting enzyme (ACE) inhibitor, a family of drugs used to treat high blood pressure and some types of heart failure. Enalapril is also used to slow the progression of kidney disease in people with diabetes.
Common brand names:
Vasotec
Summary of Interactions with Vitamins, Herbs, & Foods
Types of interactions:
Beneficial
Adverse
Check
Replenish Depleted Nutrients
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Zinc
In a study of 34 people with hypertension, six months of captopril or enalapril treatment led to decreased zinc levels in certain white blood cells.
It makes sense for people taking enalapril long term to consider, as a precaution, taking a zinc supplement or a multimineral tablet containing zinc. (Such multiminerals usually contain no more than 99 mg of potassium, probably not enough to trigger the above-mentioned interaction.) Supplements containing zinc should also contain copper, to protect against a zinc-induced copper deficiency.
The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
Reduce Side Effects
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Iron
In a double-blind study of patients who had developed a cough attributed to an ACE inhibitor, supplementation with iron (in the form of 256 mg of ferrous sulfate per day) for four weeks reduced the severity of the cough by a statistically significant 45%, compared with a nonsignificant 8% improvement in the placebo group.
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In a short-term study of nine overweight men, enalapril plus a low-salt diet reduced blood pressure more than a low-salt diet alone. Additionally, enalapril plus a low-salt diet resulted in better insulin response than the low-salt diet alone. The importance of this preliminary information for overweight people with high blood pressure is unclear.
The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
Potential Negative Interaction
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Potassium
An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), or large amounts of high-potassium foods at the same time as ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.
The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
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An uncommon yet potentially serious side effect of taking ACE inhibitors is increased blood potassium levels. This problem is more likely to occur in people with advanced kidney disease. Taking potassium supplements, potassium-containing salt substitutes (No Salt, Morton Salt Substitute, and others), or large amounts of high-potassium foods (such as bananas and other fruit) at the same time as taking ACE inhibitors could cause life-threatening problems. Therefore, people should consult their healthcare practitioner before supplementing additional potassium and should have their blood levels of potassium checked periodically while taking ACE inhibitors.
The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers’ package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a new supplement with your doctor or pharmacist.
