Bananas make you gain weight: true or false?

  • 26/07/2019
Noix de coco

“Don’t eat bananas, they’re the sweetest and richest of all the fruits. They’ll make you fat!”

How many times have you heard this before?

It can’t be said enough: there’s no miracle food that will either make you fat or help you lose weight. It’s always about quantity and quality. The rule is very simple; if you consume more calories than you expend, you will inevitably gain weight. 


Bananas, because of their appearance and relatively low water content, have a reputation for being more calorific. But is this reputation deserved? 

100g of raw banana 100g of a Golden Delicious apple with its skin
Energy 90kcal 53.5kcal
Water 75.8g 85.5 g
Lipids 0.25g 0.5g
Carbohydrates 19.6g 11.2g
Sugar 14.8g 11.2g
Fiber 1.9g 2.6g
Protein 0.98g 0.5g


At first glance, bananas are indeed richer and sweeter, but once again, it’s all about portion size.

Indeed, a portion of banana is generally around 100g while an apple would be likely double that.

We aren’t telling you to stop eating apples, but the point of the table is to illustrate that by having a banana, you won’t be having any more calories or sugar than you would with a lot of other fruits. 

Because bananas tend to be lighter, and generally people only eat one fruit in a sitting, they won’t necessarily provide you with more calories than an apple.


The sugar content of develops and varies as the fruit ages. A ripe banana will be sweeter than a not so ripe banana.

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