✦ Good source of potassium
✦ Provides vitamin B6
✦ Source of fibre
✦ Energy-dense for a fruit
Bananas are a starchy tropical fruit that ripen from green and starchy to yellow and sweet. They are a useful source of potassium, vitamin B6 and quick-release carbohydrate.
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Preparation note
Overripe bananas have almost all their starch converted to free sugars, giving a sweeter taste and faster blood sugar response; good for baking but higher glycaemic load.
Sources:
CoFID 2021
Where Bananas, overripe, raw Stands Out
Macronutrients per 100g
356
kJ
Energy
0.73
g
Protein
18.4
g
Carbs
1.19
g
Fibre
0.22
g
Fat
15.8
g
Sugars
Vitamins & Minerals
| Nutrient | Per 100g | % Daily Value* | Level |
|---|---|---|---|
| Folate | 25.0 µg | 13% | |
| Vitamin C | 9.70 mg | 12% | |
| Vitamin A (RAE) | 0.830 µg | 0% | |
| Niacin (B3) | 0.570 mg | 4% | |
| Vitamin B6 | 0.234 mg | 17% | |
| Vitamin K | 0.200 µg | 0% | |
| Thiamin (B1) | 0.040 mg | 4% | |
| Riboflavin (B2) | 0.000 mg | 0% | |
| Glucose (dextrose) | 7.00 g | — | |
| Fructose | 6.70 g | — | |
| Sucrose | 2.10 g | — | |
| Beta-carotene | 10.0 µg | — | |
| Biotin (Vitamin B7) | 0.000 µg | 0% |
* % Daily Value based on EU Nutrient Reference Values (NRVs). — indicates no EU NRV established.
Primary data source for this entry:
USDA FoodData Central (FDC 2025). Values adjusted to UK measurement conventions before import: fibre converted from AOAC to NSP (×0.7); carbohydrate reported as available carbs (fibre excluded). Source record tag: USDA FDC 2025.
All values are per 100g fresh weight unless stated.
% Daily Values based on EU Nutrient Reference Values (NRVs) per Regulation (EU) No 1169/2011.
Nutriofia is a research and information resource — nothing on this page constitutes medical advice.
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