Bananas are the most popular fruit in the United States, purchased more frequently than apples, berries, and grapes. They’re one of the most convenient and affordable fruits available, and there’s certainly no shortage of delicious ways to eat them. Bananas taste great paired with oatmeal, smoothies, nut butters, or freshly peeled and enjoyed on their own.
The foods we eat most often have the biggest impact on our health, including blood pressure. Considering that nearly half of adults in the United States have high blood pressure, the link between diet and blood pressure is something that should be at the top of everyone’s mind.
Don’t you think this is a big deal? Consider this fact from the Centers for Disease Control and Prevention: In 2023, the latest year for which data is available, high blood pressure was a leading cause or contributing factor to 664,470 deaths in the United States
Since bananas are the most widely consumed fruit in the United States, it’s worth thinking about how this popular fruit affects blood pressure—for better or worse. We spoke to three cardiologists to find out.
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How eating bananas affects blood pressure
according to Dr. Laura Isaacson, MD, RD, CDCES, A cardiologist, registered dietitian and senior director of clinical nutrition at Vida Health says bananas are great for blood pressure. “Bananas can help lower blood pressure because they are rich in potassium,” she says.
Dr. Isaacson explains that potassium helps the body eliminate excess sodium through the kidneys, reducing fluid retention and taking pressure off blood vessel walls. This means eating a banana can be especially beneficial if you’ve eaten something salty recently.
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While bananas are indeed good for blood pressure, don’t expect a significant drop in blood pressure immediately after eating one. Dr. Ragavendra Baliga, MBBS, Cardiologists at The Ohio State University Wexner Medical Center say the decline is modest in both the short and long term. Echoing Dr. Isaacson’s sentiments, he explained that the potassium in bananas can attenuate the effects of sodium, causing a small drop in blood pressure.
But that doesn’t mean the drop isn’t noteworthy. Dr. Rajeev L. Narayan, MD, A cardiologist at Nuvance Health explains it this way: “Potassium helps the body balance sodium, which is one of the biggest dietary drivers of high blood pressure. It also helps relax blood vessels, improving blood flow and reducing pressure within the arteries. Simply put, potassium really helps reduce stress on blood vessels.”
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Wondering if eating two bananas will have a bigger impact than eating just one? No. “Welfare is stabilizing,” Dr. Baliga said.
Dr. Narayan agrees. “Eating more doesn’t necessarily mean better results,” he explains, adding that one pill a day is enough to benefit the cardiovascular system. “Eating multiple bananas will not double your blood pressure and may add excess calories or potassium.”
It’s worth noting that bananas can interfere with certain medications. “People who take medications that increase potassium levels (e.g., ACE inhibitors, ARBs) [used to treat high blood pressure, heart failure and kidney disease] or potassium-sparing diuretics—should be noted. Patients with kidney disease should also use caution. If you’re taking heart or blood pressure medications, it’s always wise to ask before drastically increasing your potassium intake,” says Dr. Narayan.
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How Eating Bananas Regularly Supports Cardiovascular Health
If you eat bananas regularly over time, your entire cardiovascular system will benefit. In addition to supporting blood pressure, all three cardiologists say the fiber and antioxidants in bananas help lower LDL cholesterol and help improve cardiovascular health overall.
A 2024 study published in Nutrition Frontier Studies have found that patients with high blood pressure who regularly eat apples and bananas three to six times a week have a significantly reduced risk of cardiovascular disease.
“Bananas contain soluble fiber, specifically pectin, which can help lower LDL cholesterol by binding to it in the intestines, thereby reducing the amount absorbed into the blood,” says Dr. Isaacson. She also points out that bananas are satiating, which means they can play a role in weight management. This is important because maintaining a healthy weight is key to taking care of your heart.
Dr. Isaacson explains that in addition to potassium and fiber, the magnesium in bananas plays an important role in maintaining a stable heart rhythm and healthy muscle function. “It helps the heart contract and relax efficiently and supports better blood flow by relaxing blood vessels,” she explains.
Bananas are undoubtedly a heart-healthy food, but all three cardiologists stress that the most important thing is to eat a variety of nutrient-dense foods. Eating a banana a day won’t make up for unhealthy eating habits the rest of the day.
“Bananas are helpful, but they are not a substitute for medications or other lifestyle changes that need to be made. No one food can solve blood pressure problems, but bananas are an important part of the solution,” says Dr. Narayan.
Remember, bananas are just one of many fruits that support blood pressure. Eating them regularly is a good habit, but so is an occasional berry or apple.
Next:
RELATED: These are the worst frozen foods for heart health, according to registered dietitians
Source:
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The International Fresh Produce Association ranks the top 20 selling fruits and vegetables in the United States
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High Blood Pressure Facts. Centers for Disease Control and Prevention
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Dr. Laura Isaacson, MD, RD, CDCES, cardiologist, RD and Senior Director of Clinical Nutrition at Vida Health
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Ragavendra Baliga, MD, MBBS, cardiologist, The Ohio State University Wexner Medical Center
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Dr. Rajeev L. Narayan, MD, Nuvance Health Cardiologist
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Sun Cheng, Li Jie, Zhao Zhi, et al. (2024). Association between fruit intake and all-cause mortality in hypertensive patients: a 10-year follow-up study.Nutrition Frontiers. 11:1363574. doi: 10.3389/fnut.2024.1363574
This article was originally published by Parade on February 16, 2026 and first appeared in the Health & Wellness section. Click here to add Parade as a preferred source.
