Are Olives Good for Your Heart?

Yes, olives can support heart health when they replace foods high in saturated fat and fit within your sodium limit, because they provide mainly monounsaturated fat. A 2020 review of table olives found that direct research on their health effects is limited. For a safer choice, compare sodium on labels and consider olives as part of your overall eating pattern, not as a treatment.

What makes olives a reasonable heart-health choice?

Olives contain mostly unsaturated fat, which can be useful in a heart-healthy diet. The benefit is more plausible when olives take the place of a food high in saturated fat rather than simply being added to what you already eat.

The main trade-off is sodium: many table olives are cured or packed in salty brine. Olives are one option among the best foods for heart health, but no single food can prevent heart disease or replace medical care.

How might olives support the heart?

The predominant fat in olives is monounsaturated fat, mainly oleic acid. Replacing saturated fat with unsaturated fat in the diet can help lower LDL cholesterol, a risk factor for heart disease. That general dietary effect does not establish how much a particular serving of olives will change anyone's cholesterol.

Olives also contain fiber, vitamin E and plant compounds called polyphenols. These components are of research interest, but their presence does not prove that eating olives prevents heart attacks or other cardiovascular events. Their amounts vary with the olive variety, ripeness and processing method.

Sodium matters because eating too much can raise blood pressure, another heart disease risk factor. A package of olives can contribute to your daily sodium intake even if the olives taste only mildly salty.

For a related part of a heart-conscious eating pattern, see the best drinks for heart health.

What does research on olives show?

The 2020 review describes potential benefits from the nutrients and plant compounds in table olives, but notes a scarcity of laboratory, animal and human studies specifically on table olives. It does not establish that eating olives lowers the risk of heart disease.

A 2024 review of fermented olives and their compounds also discusses possible health benefits and the role of fermentation. It is a review of potential effects, not a clinical trial showing that fermented olives protect the heart.

Research on olive oil or a Mediterranean-style diet cannot establish that olives alone produce the same outcomes. Overall, the evidence for olives is promising in principle but limited; the stronger basis for choosing them is the general dietary guidance to favor unsaturated over saturated fat.

How can you eat olives with heart health in mind?

Use olives in place of some higher-saturated-fat foods. For example, add them to a salad instead of relying on a larger portion of cheese, or use them to add flavor to a vegetable dish. The rest of the meal matters too: vegetables, beans and whole grains can contribute to a balanced eating pattern.

Compare the sodium on nutrition labels using the same serving size. A package labeled lower sodium may still contribute a meaningful amount, especially if you eat more than the listed serving. Check the amount you actually eat against your daily sodium allowance.

U.S. dietary guidelines recommend that adults consume less than 2,300 mg of sodium per day. That is a limit for the whole day's food and drink, not a target to use on olives alone. Some people are advised to follow a different limit, so use your clinician's recommendation if you have one.

Draining olives removes the brine that remains around them. Rinsing may remove some surface brine, but it does not reliably tell you how much sodium remains in the olives; use the label when planning your intake. Green and black olives can differ in processing and salt content, so compare products rather than assuming one color is always the better choice.

Who should be careful with olives?

If you have high blood pressure, heart failure or kidney disease, ask your clinician or dietitian how olives fit your sodium plan. People taking blood pressure medicines or diuretics should follow their care team's advice and should not change or stop medication because of a food choice.

Contact your care team if you have heart failure and develop new swelling or worsening shortness of breath. Seek emergency help for new chest pain, severe shortness of breath, or possible stroke symptoms such as sudden weakness or trouble speaking.

For young children, remove any pits and cut olives into small pieces to reduce choking risk. Ask a child's clinician about dietary restrictions when needed.