Are Bananas Good For Diabetics? What To Know & How To Eat In 2025

If you have diabetes or are following a diabetic meal plan, you might be wondering whether bananas and diabetes are compatible in keeping blood sugar levels stable. Bananas are a popular and widely available fruit known for their delicious taste and nutritional value. However, their natural sweetness and carbohydrate content raise questions about their compatibility with blood sugar management.

Some of those questions include: Are bananas good for diabetes? Are bananas good for prediabetes? Can people with diabetes eat bananas every day or only sometimes?

There’s a lot of information to discuss about bananas and diabetes. In this article, we will explore the health benefits of bananas, how they affect diabetes, potential side effects, and how to incorporate them into a healthy diabetes diet.

Are Bananas Good For Diabetics?

Yes, at least in moderation. Bananas’ high fiber content smooths out any potential blood sugar spikes, making them a great fruit for diabetics.

Bananas are also filling and nutrient-dense, as well as a resistant starch. Resistant starches do not digest in the small intestine but travel to the large intestine, where they are turned into short-chain fatty acids that are used for fuel.

As long as you stick to one or two a day, it is very unlikely that you will experience any digestive discomfort.

Health Benefits Of Bananas

High In Fiber

Bananas are an excellent source of dietary fiber. Fiber plays a crucial role in preventing and managing diabetes by slowing down glucose absorption in the bloodstream. This definitely answers the question, “Are bananas good for diabetics?” with a yes, at least in moderation.

A study found that increased dietary fiber intake was associated with better blood sugar control[1] in individuals with type 2 diabetes. Including fiber-rich foods like bananas in your diet can help regulate blood sugar levels and support overall diabetes management.

Resistant Starch

Bananas contain resistant starch, a carbohydrate that resists digestion in the small intestine and is changed into short-chain fatty acids in the large intestine. These fatty acids act as fuel for the body. Resistant starch has been shown to improve insulin sensitivity[2] and contribute to better blood sugar management.

Including foods with resistant starch, like bananas, in your diet may help regulate blood sugar levels and improve carbohydrate and lipid metabolism[3] while reducing weight. It can also support diabetes management efforts since the undigested starch slows your digestion, smoothing out blood sugar peaks. In addition, it acts as a prebiotic, improving intestinal function.

Satiety

The high fiber content in bananas can contribute to feelings of fullness and satiety. Including bananas in your meals or snacks can help you feel satisfied for longer periods, potentially aiding in portion control and weight management, which are important aspects of diabetes management. This won’t make a big difference unless you eat bananas fairly consistently, such as every day or two.

Nutrient-Rich

Bananas are a good source of various essential nutrients, such as vitamin C, potassium, and vitamin B6. These are important nutrients, especially if you’re not taking a supplement.

Vitamin C is an antioxidant that helps protect cells from damage caused by free radicals. Potassium intake is important for helping to control high blood pressure and maintain proper muscle and nerve function. Vitamin B6 is involved in energy metabolism and plays a role in the production of neurotransmitters.

How Bananas Affect Diabetes

While bananas offer health benefits, it’s essential to consider their impact on people’s blood sugar levels. Bananas contain natural sugars, including fructose, glucose, and sucrose, but their high fiber content usually smooths out any blood sugar spikes.

The ripeness of the banana also affects its glycemic index, or GI, which measures how quickly a food raises blood sugar levels. Ripe bananas typically have a higher GI of 51, while unripe or green bananas have a GI of around 30. This means that eating overripe bananas may cause a more significant increase in blood sugar levels than eating unripe bananas.

However, the overall effect on blood sugar depends on the portion size, individual metabolism, and other foods consumed with the banana. Monitoring blood sugar levels and practicing portion control is as important when eating bananas as they are when eating, well, anything else. Generally, people with diabetes want to consume foods that rank at 55 or lower on the glycemic index if they can.

Side Effects Of Eating Bananas

Allergic Reactions

While allergic reactions to bananas are relatively rare, some individuals may be allergic to this fruit. Symptoms of an allergic reaction may include itching, swelling, or difficulty breathing. If you experience these symptoms after consuming bananas, seek medical attention and avoid bananas in the future.

Digestive Issues

Bananas are high in fiber, and consuming large quantities may cause digestive issues in some individuals, such as bloating, gas, or diarrhea. If you have a sensitive digestive system, you may want to eat bananas slowly – maybe only one a day or even half. This won’t be an issue for most people unless they eat unreasonably large quantities, like three or four a day.

Medication Interactions

If you are taking certain medications, such as potassium-sparing diuretics or ACE inhibitors, it’s important to be cautious with banana consumption. Bananas are naturally rich in potassium, and consuming them in excess may interfere with the effectiveness of these medications or lead to elevated potassium levels in the blood.

This might make you wonder, are bananas bad for diabetes? When using portion control and as part of a balanced diet no, bananas are not bad for those who have diabetes. However, if you consume numerous ripe bananas daily, there may be an issue, as ripe bananas rank higher on the glycemic index.

You may also experience issues if you have coexisting kidney disease or take certain ACE inhibitors.

How To Add Bananas In A Healthy Diabetes Diet

If you have diabetes and want to incorporate bananas into your diet, moderation and portion control are key. It is generally recommended to choose a medium-sized banana and consume it with other foods that provide protein and healthy fats. This can help slow down the absorption of sugars from bananas and minimize blood sugar spikes.

Including whole fruits like bananas in a well-balanced diet is associated with a lower risk of developing diabetes. According to a study published in The British Medical Journal, regular fruit consumption was associated with a modestly reduced risk[4] of developing type 2 diabetes.

However, it’s important to prioritize whole fruits over processed or prepared fruit options, such as canned fruit or fruit juice. These may have added sugars and fewer nutrients.

Other Fruits For A Diabetes-Friendly Diet

Blackberries

Blackberries are a great snack for diabetics.

Blackberries are low in calories and high in fiber, making them an excellent choice for individuals with diabetes. They are also rich in antioxidants, which can help protect against complications of diabetes. There are a lot of great fruits for diabetes but this is one of the best.

Apples

Apples
Apples are a tasty option for those with diabetes.

Apples are a tasty option for those with diabetes.

Apples are a very healthy fruit, a good source of fiber and vitamin C. They have a low GI and can be a satisfying and nutritious snack for people with diabetes.

Kiwis

Kiwis are a nutrient-dense food option for people with diabetes.

Kiwis are packed with vitamins, including vitamin C and vitamin K. They’re practically a superfood, with more vitamin C than an orange and more potassium than a banana. They also have a low glycemic load, which means they have a minimal impact on blood sugar levels.

Oranges

Oranges
Oranges are known for their high vitamin C content, which is an important vitamin for diabetics.

Enjoy an orange any time for some extra fiber.

Oranges are known for their high vitamin C content, which is an important vitamin for diabetic people. They are also a good source of fiber and have a low GI, making them a suitable choice for individuals with diabetes.

Cherries

Cherries are a tasty, safe option for diabetics.

Cherries are not only delicious but also provide several health benefits. They are rich in antioxidants and have been shown to have anti-inflammatory properties, which can be beneficial for people with diabetes in managing their blood glucose levels.

The Takeaway

Are bananas ok for people with diabetes? Bananas can be a part of a healthy diabetes diet when consumed in moderation and with portion control. They offer various health benefits, including high fiber and resistant starch content.

While bananas contain natural sugars that can cause blood sugar spikes, their impact on blood sugar levels is mostly smoothed out by fiber. What remains can be managed through portion control and eating other foods with them that provide protein and healthy fats.

If you have diabetes, you should monitor your blood sugar levels and work with a healthcare professional or registered dietitian to develop an individualized meal plan that suits your specific needs and preferences. Definitely don’t take all of your health advice from the internet!

That said, including a variety of fruits, such as bananas and other diabetes-friendly options like blackberries, apples, kiwis, oranges, and cherries, can contribute to a well-rounded and nutritious diet.


+ 4 Sources

  1. McRae, M.P. (2018). Dietary Fiber Intake and Type 2 Diabetes Mellitus: An Umbrella Review of Meta-analyses. [online] 17(1), pp.44–53. doi:https://doi.org/10.1016/j.jcm.2017.11.002.
  2. Bindels, L.B., Segura, R.R., João Carlos Gomes, Mutemberezi, V., Inés Martínez, Clara, Cody, E.A., Quintero-Villegas, M.I., Hatem Kittana, Schmaltz, R., Muccioli, G.G., Walter, J. and Ramer-Tait, A.E. (2017). Resistant starch can improve insulin sensitivity independently of the gut microbiota. [online] 5(1). doi:https://doi.org/10.1186/s40168-017-0230-5.
  3. Bojarczuk, A., Sylwia Skapska, Amin Mousavi Khaneghah and Krystian Marszalek (2022). Health benefits of resistant starch: A review of the literature. [online] 93, pp.105094–105094. doi:https://doi.org/10.1016/j.jff.2022.105094.
  4. Muraki, I., Imamura, F., Manson, J.E., Hu, F.B., Willett, W.C. and Rob (2013). Fruit consumption and risk of type 2 diabetes: results from three prospective longitudinal cohort studies. [online] 347(aug28 1), pp.f5001–f5001. doi:https://doi.org/10.1136/bmj.f5001.