How Many Calories Are in a Banana?
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Other tools you may find usefulBanana - characteristics and role of the fruit in the diet of physically active people
Banana is one of the most frequently purchased and consumed tropical fruits in the world. It is characterized by a unique structure (soft, seedless flesh) and a characteristic, handy skin, which makes it an ideal and quick snack. From a dietary perspective, the banana has a higher caloric and energy density compared to other fresh fruits (e.g. apples or strawberries). It is valued by athletes as a natural source of easily digestible carbohydrates that quickly replenish muscle glycogen stores after intense physical exercise. Bananas are also one of the richest sources of potassium, magnesium, vitamin B6 and vitamin C.
Our live banana calorie calculator precisely calculates the energy value of the fruit based on its weight and ripeness level, which helps in precisely controlling the daily macro on a reducing or mass diet.
Banana ripeness and its nutritional values and glycemic index
As the banana ripens, radical biochemical changes take place in it, which affect how the body digests it:
- Green bananas (unripe):They contain a lot of resistant starch, which is not digested in the small intestine - it acts as fiber, constituting a breeding ground for intestinal bacteria. They have a low glycemic index (GI ≈ 35-40) and give a long feeling of satiety.
- Yellow bananas (ripe):Resistant starch is converted into simple sugars (glucose, fructose and sucrose) under the influence of enzymes. They are sweeter, easier to digest and increase energy levels faster. The glycemic index increases to approximately 50-60.
- Bananas with brown spots (very ripe):These are almost entirely easily digestible simple sugars with a high glycemic index (GI ≈ 60-65). They are perfect as a quick energy boost immediately before training or as an ingredient in baked goods (e.g. banana bread).
Table of nutritional values and macronutrients in 100g of banana
The table below shows the nutritional profile of a fresh, ripe banana per 100 grams of pulp (without peel):
| Nutrient | Content in 100g of the product | Role in the body / Importance | Recommended Daily Allowance (RDA) |
|---|---|---|---|
| Energy value | 89 kcal | Medium-high energy density. | 4.5% (for a 2000 kcal diet) |
| Carbohydrates | 22.8 g | Main source of energy (including simple sugars: 12g). | 7.6% |
| Dietary fiber | 2.6 g | Digestive support, regulation of bowel movements. | 10.4% |
| Protein | 1.1 g | A small amount of plant protein. | 2.2% |
| Fats | 0.3 g | Traces of vegetable fats. | 0.4% |
| Potassium | 358.0 mg | Regulation of heart function, prevention of muscle spasms. | 10.2% |
| Magnesium | 27.0 mg | Support for the nervous system and muscle function. | 7.2% |
Frequently asked questions (FAQ)
How many calories does one peeled banana have?
A medium banana (after peeling weighs about 100-120g) has approximately 90-105 kilocalories (kcal).
Do bananas make you fat and should you avoid them on a slimming diet?
No, no fruit in itself makes you fat - you gain weight from a caloric surplus. Bananas are more caloric than, for example, strawberries, but they give a great feeling of satiety and can be a great element of a balanced reduction diet.
Why are bananas recommended for stomach problems?
Ripe bananas are extremely easy to digest for the digestive system and do not irritate the gastric mucosa. They are a key element of the BRAT diet (bananas, rice, applesauce, toast) recommended for poisoning and diarrhea.
Do bananas cause constipation?
It depends on the level of maturity. Unripe green bananas contain a lot of resistant starch and may cause constipation in some people. In turn, ripe yellow bananas with fiber help regulate bowel movements.
What is the weight of a banana with the peel and after peeling?
An average banana with peel weighs about 180-200g. The peel itself constitutes about 35-40% of the fruit's weight, which means that after peeling, the weight of the pulp is about 100-120g.