Is Olive Oil Safe To Consume If You Take Losartan?

In our latest question and answer, our pharmacist discusses consuming olive oil while taking losartan for blood pressure control.

3 min read Updated Jun 2026 Read by 2,514 people
Is Olive Oil Safe To Consume If You Take Losartan?
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Ricky asked

How much olive oil is safe to take while taking losartan potassium?

Mar 09, 2023
The quick answer
  • Olive oil is considered safe to consume while taking losartan and is part of a healthy diet that may help lower blood pressure. If you add olive oil to your diet, monitor your blood pressure regularly and keep your healthcare provider informed, as your losartan dose may need adjustment over time. There is no specific interaction between olive oil and losartan, but both work to lower blood pressure so your provider should watch for any excessive drops.
A quick summary of Dr. Brian Staiger, PharmD's full answer below, condensed by AI from that answer only (not from any outside source). The pharmacist's answer is the source of record.
Medications in this answer — tap to explore

Quick Answer

While there is no set limit for olive oil consumption while taking losartan potassium, olive oil is considered to be part of a healthy, balanced diet and has been associated with lower blood pressure. An interaction between olive oil and antihypertensive medication (like losartan) has not been extensively studied but it certainly is possible that dosage adjustments may be needed over time if your blood pressure improves as a result of dietary and lifestyle modifications.

Detailed Answer

As previously mentioned, there is no defined 'safe limit' for consuming olive oil while taking blood pressure medication such as losartan.

Nevertheless, consuming monounsaturated fats like those found in olive oil has been linked to a lower risk of cardiovascular disease and may reduce blood pressure as well.

For example, one study found that the intake of olive oil and vegetable oil was inversely associated with serum cholesterol and glucose levels, and systolic blood pressure.

Additionally, other studies have found that populations that consume olive oil as the main fat have been shown to have lower death rates from all causes, including coronary heart disease.

Some studies, although small, have even found that individuals may be able to reduce the dosage of their blood pressure medication (under a doctor's supervision) based on the blood pressure-lowering effects of a diet rich in monounsaturated fatty acids.

Overall, while adding olive oil to the diet is generally considered safe, it's important to monitor blood pressure levels regularly, especially if taking medication like losartan.

Losartan With Olive Oil Commentary

There is no specific interaction between olive oil and losartan, and the only concern is really the potential of a combined antihypertensive effect (i.e., both losartan and olive oil working to lower blood pressure).

The theoretical concern here is blood pressure dropping too low, although this would be considered unlikely to happen in an abrupt manner (but rather over time as a result of an improved diet).

If you are taking losartan potassium and considering adding olive oil to your diet, it's important to stay in touch with your healthcare provider.

Regular blood pressure monitoring is crucial to ensure that the addition of olive oil does not result in a drop in blood pressure to the point where it becomes too low (i.e., hypotension).

Your healthcare provider may also need to adjust your dose of losartan, or other blood pressure medications, as necessary.

Final Words

Thanks so much for your question and please reach out again anytime!

References & sources
  1. The diet and 15-year death rate in the seven countries study — PubMed
  2. Consumption of olive oil, butter, and vegetable oils and coronary heart disease risk factors. The Research Group ATS-RF2 of the Italian National Research Council — PubMed
  3. Olive oil and reduced need for antihypertensive medications — PubMed
Glossary — Terms in This Answer
Losartan potassium
A blood pressure medication that belongs to a class of drugs called angiotensin II receptor blockers.
Antihypertensive medication
A drug designed to lower blood pressure.
Monounsaturated fats
A type of healthy fat found in foods like olive oil that may help reduce cardiovascular disease risk.
Serum cholesterol
The level of cholesterol present in the blood.
Systolic blood pressure
The higher number in a blood pressure reading, representing the pressure when the heart beats.
Coronary heart disease
A condition where the blood vessels supplying the heart become narrowed or blocked.
Antihypertensive effect
The ability of a substance to lower blood pressure.
Hypotension
A condition where blood pressure drops too low, potentially causing dizziness or weakness.
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Dr. Brian Staiger, PharmD
About the pharmacist

Dr. Brian Staiger, PharmD

Clinical Pharmacy

Doctor of Pharmacy, board certified clinical pharmacist (BCPS), American Herbalist Guild, Medication Therapy Management certified

Brian Staiger, PharmD, BCPS, is a licensed pharmacist with more than 13 years of experience across retail pharmacy, clinical pharmacy, medication safety, pharmacy program development, and healthcare administration. He is the founder of HelloPharmacist.com, where he helps patients...

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