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Blog Nutrition Top 13 Side Effects Of Eating Too Many Bananas

Top 13 Side Effects Of Eating Too Many Bananas

Top 13 side effects of eating too many bananas

Bananas are delicious and nutritious fruits that are loved by kids and adults. They are a healthy snack and make a good addition to a bowl of cereal, smoothie, yogurt, a cake, a muffin or peanut butter toast. Bananas can fill your body with energy, help you slim down, reduce bloating, prevent cancer and more.

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However, there is something you should know about these fruits. Although, they are rich in vitamin B-6, potassium and calcium, you should eat them in moderation.

There are a few side effects of bananas that you probably didn’t know about. We would like to show you thirteen side effects, which prove that the excessive eating of bananas can negatively affect your health. Scroll down to find out what those side effects are.

Read More: Banana Smoothie For Weight Loss To Skyrocket Your Metabolism

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#1. Migraine

It is one of the common adverse effects of these yellow fruits which most of us are not aware of. Bananas contain tyramine that can affect your health and cause severe headaches.

#2. Allergy

If you are allergic to avocado, kiwi or chestnut, you may also be allergic to bananas.

#3. Nerve injury

Consuming more than two bananas in a short period of time can damage your nervous system.

#4. Sleep disorders

Don’t eat bananas before going to bed, as it can lead to insomnia.

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#5. Dental problems

Bananas are high in both carbs and sugar. Eating too many of them can result in dental problems such as tooth decay and erosion of tooth enamel.

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#6. The lack of fat

In order to function properly, your body needs healthy fats. Bananas contain no fats, so you should balance your diet with salmon, olive oil, avocados and nuts.

Credit: Freepik

#7. The lack of protein

If you love eating bananas, you should know that they cannot fill your body with protein. In order to avoid protein deficiency, you should eat high-protein products such as eggs, chicken or cottage cheese.

#8. Hyperkalemia

It’s a condition caused by abnormally high levels of potassium in the blood. If you over consume bananas, you can experience this disease.

Credit: Freepik

#9. Constipation

These yellow fruits can affect your health and cause constipation.

#10. Diabetes.

These fruits contain a large amount of sugar. Over consumption of bananas can increase the risk of developing diabetes.

#11. Drug interaction

If you do take medication, it’s crucial to consult your doctor before balancing your diet with bananas.

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#12. Gastrointestinal problems

Eating too many bananas can lead to diarrhea, gas, bloating and other digestive problems.

#13. Resistant starch

These yellow fruits contain starch that can also result in the previously mentioned digestive problems.

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This article is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional advice or help and should not be relied on to make decisions of any kind. Any action you take upon the information presented in this article is strictly at your own risk and responsibility!


  1. Bananas Are Healthy, but You Shouldn’t Eat Too Many (2019,
  2. Banana Lectin: A Brief Review (2014,
  3. Benefits and health risks of bananas (2020,
  4. The Health Benefits of Bananas (2019,
O. Johnson
O. Johnson

Olivia is a passionate writer and a whip-smart proofreader who takes pride in her ability to turn hard-to-digest information into an enjoyable read. She is a book worm, a life of the party, a meditation and fitness enthusiast, and a champion for healthy living all in one. Dissecting dietary fads, debunking long-established weight loss myths and delivering science-backed quality content is her top priority. When working on a piece, Olivia tunes into her own experience of trial-and-error weight loss which helps her cut through the clutter when doing extensive research. Her unbridled enthusiasm spills over into her work and motivates readers to chase after their full potential.

J. Paul
J. Paul

Jovial is from Dubai, and is a Head EMS Instructor/Fitness Manager/Nutrition Consultant for REMS Fitness. He is certified by the Gold’s Gym Fitness Institute and Registered as a Gym Instructor.
Jovial specialises in HIIT training, Rehabilitation/injury recovery, Strength and Conditioning, Kickboxing, Body Weight Training and Weight Training, and practices each discipline himself. His approach is to focus on improving his clients’ lifestyle by motivating them and setting an example.

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