Downsides of Eating a Banana Every Day

Bananas are the perfect food in so many ways. They make the perfect grab-and-go snack, cereal topper, smoothie base, and of course, a staple “bread” ingredient. Not only are they sweet and satisfying, but they are loaded with nutrients.

“As a nutritionist, we love to recommend bananas for all the powerful benefits they provide. Bananas are fat-free, cholesterol-free, and packed with complex carbohydrates and vitamin B6, which helps to keep you energized,” says registered dietitian Sylvia Melendez-Klinger, MS, RDN.

But as is the case with anything, when eaten in excess, bananas may cause some negative side effects. Here are 5 downsides nutrition experts tell us about eating bananas every day.


1. They may leave you hungry.

“Because bananas are very low in fat and protein, the majority of calories in bananas come from carbohydrates. If breakfast or a snack only consists of a banana, you might find yourself feeling unsatisfied or still hungry immediately after eating,” says Amber Pankonin, MS, RD, registered dietitian, and owner of the Stirlist. “Personally, I prefer to pair bananas with a protein source like cheese or peanut butter so that I can make sure to balance the carbohydrate content with a protein source.”

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2. They’re not great for people with high potassium levels or kidney diseases.

“People with high potassium levels may also have kidney disease or kidney issues. Limiting certain foods high in potassium (such as bananas, oranges, watermelon, etc.) can help you feel better and prevent the progression of the disease,” says Melendez-Klinger.

Adds Pankonin, “This is because those with advanced kidney disease are not able to properly remove potassium from the blood. High potassium levels could potentially lead to heart attack or death.” 

3. They may cause gas or bloat.

“For some individuals, bananas might cause gas and bloating due to the amount of soluble fiber and natural sugar alcohols that are found in bananas,” says Pankonin. “Even though soluble fiber is needed in the diet, too much might cause feelings of gas or bloating [immediately afterwards].” Cut back on bananas to reduce bloat.

4. You shouldn’t eat them if you’re taking certain medications.

“There are certain medications that interact with foods so make sure to ask your doctor or dietitian to see if any of the medications you take may have an interaction with foods,” says Melendez-Klinger.

Two types of medication that you should avoid eating bananas with are ACE inhibitors (such as lisinopril, enalapril, or ramipril) and spironolactone. That’s because they raise blood potassium levels, according to Harvard Medical School.

5. They’re not necessarily low carb diet-friendly.

“In general, bananas are a convenient fruit source that contain calories mostly from carbohydrates,” says Pankonin. One medium-sized banana contains 27 grams of carbs. So, if you’re on a low-carb diet, bananas may put your carb count over the edge.

Article by Emily Shiffer for Eat This, Not That©

Source: 5 Surprising Downsides of Eating a Banana Every Day (

Author: Dennis Hickey

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