Skip to content

11 Side Effects of Eating Bananas Every Day

Are bananas as healthy as some claim? We did the research.
bananas

We've always known bananas to be an extremely healthy snack option, packed with lots of vitamins and nutrients. But, have you ever wondered what the side effects actually are when eating bananas every day? We did the research, only to find out that eating bananas can actually do quite a bit for your body when you eat them on a regular basis.

Though this is the case, it's important to remember not to go overboard, as even with bananas there is a limit before they start becoming detrimental to your health. So, overall sticking to 1 to 3 a day, is ideal. These are the side effects you could start to experience after eating a healthy amount of bananas each day. And for more healthy tips, be sure to check out our list of The 7 Healthiest Foods to Eat Right Now.

1

You could lose weight.

sliced bananas with nut butter on white plate
Shutterstock

One side effect of eating bananas on a regular basis could be the number on your scale starting to go down. This is because of the protein and fiber-rich nature of bananas, leaving you feeling full for a longer period, and ultimately less likely to snack.

Not sure what snack to prepare? Here are 17 Amazing Ways to Eat a Banana.

2

You'll fall asleep faster.

banana slices
Shutterstock

Tryptophan, an amino acid that makes you feel sleepy, can be found in bananas, which is why eating a banana at the end of the day can get you feeling ready for bed. In addition to tryptophan, bananas also contain magnesium and potassium, both of which act as muscle relaxants, which help you ease into sleep.

Need better sleep? Here are 13 Food Hacks That Will Help You Sleep Better Tonight.

3

You'll improve your gut health.

oatmeal with banana and blueberries in a white bowl on wood
Shutterstock

An unhealthy gut can lead to various issues throughout the body, so working on your microbiome should be a top priority. Consuming bananas could be a great way to improve your gut health. A 2017 study review in Nutrition Bulletin revealed that bananas contain resistant starch, which works to increase the production of short-chain fatty acids—which are essential for gut health.

Along with bananas, you can incorporate these 14 Probiotic Foods for a Healthy Gut.

4

You can lower your risk of kidney cancer.

cutting banana
Shutterstock

Kidney cancer is serious, so you want to do everything you can day-to-day to lower your risk of being diagnosed. Due to the high levels of antioxidant phenolic compounds found in bananas, our favorite yellow fruit can help you lower your risk just by eating them. According to a Swedish study, women who ate four to six bananas a week were able to cut their risk of developing kidney cancer in half. That's definitely a reason to add bananas to your grocery list.

5

You'll increase your energy level.

bananas
Shutterstock

Talk about the perfect way to jumpstart your day—and especially great as a pre-workout or post-workout snack. Eating a banana each day will not only keep you from feeling fatigued throughout the day, but will also improve your athletic performance. A PLOS One 2012 study found a direct correlation between eating a banana and increased energy levels in male athletes competing in long-distance cycling races, so keeping a banana in your bag could be the perfect snack to give you the boost you need.

If you're looking to boost your energy, you can also snack on one of these 30 Best Foods That Give You All-Day Energy.

6

You can enhance your memory.

banana cut up
Eiliv-Sonas Aceron / Unsplash

Bet you never realized that eating a banana could enhance your memory. Well, according to the BCC, it can. It's the richness in B vitamins that give bananas the power to support memory function as well as protect the brain. Studies have found that students who eat bananas perform better on exams as well as learn more efficiently. Time to pick up some bananas.

7

You can improve your skin.

banana slices
Shutterstock

We're constantly looking for new ways to improve our skin health, and apparently, it could start and end with bananas. The vitamins and minerals in bananas, particularly the manganese, work to boost collagen levels and thus repair your skin. Everything from acne to wrinkles to dry skin can start to clear as soon as you finish your banana. It's that easy.

Plus, here are 25 Healthy Foods That Give You Glowing Skin.

8

You'll lower your risk of anemia.

Woman peeling banana
Shutterstock

According to the Cleveland Clinic, anemia affects roughly 30% of the population—or 2 billion people globally. The symptoms can range from dizziness, headaches, fast heartbeat, among others. The iron content in bananas works to boost iron levels and, thus, counteract the anemia. Some other iron-rich foods that work to fight iron deficiencies are black beans and salmon.

9

You'll increase your potassium intake, which supports heart health.

Shutterstock

The main function of potassium in the body is to regulate muscle movement, and the most important muscle in your whole body is your heart. Since most people do not consume enough potassium in their daily diet, eating a banana a day can be essential to regulating blood pressure and other aspects of heart health. Plus, a study from Healthline revealed that a potassium-rich diet—one that involves lots of bananas—can lower your risk of heart disease by 27%. That's definitely a sign to add bananas into your diet, if they're not in it already.

10

You'll feel less depressed.

Cinnamon oatmeal banana nuts syrup
Shutterstock

Did you ever think that your morning banana could be the reason for your happy mood? Well, it turns out it can be. Once ingested, the tryptophan in bananas converts directly into serotonin in the body. So, it's the serotonin that could be making you feel less depressed, and thus, boost your mood and make you feel happier.

11

You'll improve your vision.

Bananas on a tray
Shutterstock

It's the vitamin A in bananas that you have to thank for your improved vision. The National Institute of Health highlights three things that come with the ingestion of vitamin A: protecting your eyes, maintaining normal vision, and even improving vision at night. Not only is having a banana on hand to snack on incredibly easy, but also the health benefits, like this one, are immense.

Speaking of bananas, did you hear this Dietitian Claims Banana Peels Help You Lose Weight and Sleep Better?

Rachel Linder
Rachel Linder is an Editorial Assistant at Eat This, Not That!, specializing in food and product coverage. Read more
Filed Under