How many calories in a banana?

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Calories in a banana

A small banana that measures around 6 inches or 15cm weighs about 100 grams contains approximately 90 calories.

A large banana that measures around 8 inches or 20cm weighs about 135g and contains approximately 120 calories.

Handy to know

A quick bit of maths: For every 2 inches of banana (5cm) we are consuming about 30 calories.

Nutrition in a banana

Bananas are a fantastic source of :

  • Vitamin B6 (20% RDI)
  • Vitamin C (14%RDI)
  • Potassium (9% RDI)
  • Magnesium (6% RDI).

Will bananas help me lose weight?

Bananas contain a trace amount of fat and offer a rich nutritional content for the calories.

A small banana contains energy made up of mostly carbohydrate, of which 2.6g is fibre and 12g is sugar. The more ripe a banana is, the more sugar it will contain. If you want to reduce the sugar make sure you eat them while they are closer to green.

Bananas also offer a little bit of protein, a small banana will add 1.1g of protein towards your daily intake.

Bananas are a good source of food for losing weight. You still need to keep within your calorie deficit but they are a filling source of energy. They are great to eat to fuel your exercise – aim to eat it approximately 2-3 hours before to fuel your session.

Weight loss tip

Try freezing a banana (take the skin off first) as a cooling sweet treat. Eat it outright, or blend with some low fat Greek yoghurt for an ice-cream style treat!

Try our awesome banana breakfast smoothie recipe for a nutritious start to your day.

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