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Pale creamy-yellow banana slices with soft, smooth surfaces and faintly darker edges are arranged in a small overlapping pile.
⚡High Potassium

Banana (sliced) Calories

Source of potassium and fiber, quick energy

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

89kcal

GI

51medium

POTASSIUM · 100 G

358mg

FIBER · 100 G

2.6g

Quick answer

1 cup (medium) of Banana (sliced) (150 g) has 134 calories. That works out to 89 calories per 100 g. It contains 34.2 g of carbs, 1.7 g of protein, 0.5 g of fat and 3.9 g of fiber. Its 0.6 mg of B6 covers 32% of the Daily Value. Its glycemic index is 51 (medium), so it raises blood sugar at a moderate pace.

Banana (sliced) Nutrition Facts

Selected: 1 cup (medium) · 150 g

134

KCAL / 150G

Carbs

34.2g

· 12% DV

Protein

1.7g

· 3% DV

Fat

0.5g

· 1% DV

Fiber

3.9g

· 14% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 92% · Protein 5% · Fat 3%

Banana (sliced) nutrition facts table · 1 cup (medium) (150 g)

NutrientAmount% DV
Calories134 kcal
Total fat0.5 g1%
Saturated fat0.17 g1%
Trans fat0 g
Sodium1.5 mg0%
Total carbohydrate34.2 g12%
Fiber3.9 g14%
Protein1.7 g3%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Cup of Banana (sliced)?

ServingAmountCalories
1 cup (medium)150 g134 kcal
1 slice (thin)15 g13 kcal
1 slice (thick)25 g22 kcal
1 piece (small)90 g80 kcal
100 g100 g89 kcal
1 cup (small)100 g89 kcal
1 piece (medium)120 g107 kcal
1 piece (large)150 g134 kcal
10 slice (medium)150 g134 kcal
1 cup (large)200 g178 kcal

Calculated from 89 calories per 100 g.

Frequently Asked Questions About Banana (sliced)

Why do bananas turn brown after slicing?

Sliced bananas brown when enzymes in the exposed fruit react with oxygen. This is a normal change, not proof that the banana has spoiled. Discard it if you notice mold, an off smell, or a slimy texture.

Can you freeze banana slices?

Yes, banana slices freeze well. Arrange them in a single layer on a tray first, then transfer the frozen pieces to a sealed bag or container. They soften after thawing, so they work best in smoothies or baking.

How do you ripen bananas quickly?

Put bananas in a paper bag at room temperature to help them ripen faster. The bag traps ethylene released by the fruit; adding a ripe apple can speed the process further. Avoid sealing them in plastic, which can trap moisture.

Should bananas be refrigerated?

Refrigerate bananas once they are ripe to slow further ripening. The peel may darken in the cold, but the fruit inside usually remains fine. Keep cut banana slices in a covered container and use them promptly.

Are the strings on bananas safe to eat?

Yes, banana strings are safe to eat. They are vascular bundles that help move nutrients through the fruit, not parasites or signs of damage. Removing them is a matter of preference.

Do bananas keep ripening after they are cut?

A cut banana does not ripen in the same way as an intact fruit, but it can soften and brown as it sits. Cover the cut surface or refrigerate the slices, and use them soon for the best texture.

Can you eat banana peels?

Yes, banana peels are edible, though they are tough and often taste better cooked than raw. Wash the peel thoroughly before using it, and avoid any parts that are moldy or badly damaged.

Does eating a banana cause constipation?

Bananas do not cause constipation for everyone. Ripe bananas provide fiber, while less-ripe bananas may feel constipating to some people. Fluids and the rest of your diet also affect bowel regularity.

Can a banana help prevent muscle cramps?

A banana is not a proven quick fix for muscle cramps. It supplies potassium, but cramps can have many causes, and eating a banana does not reliably prevent or stop them during exercise.

Are bananas safe for dogs to eat?

Yes, dogs can eat a small amount of peeled banana as an occasional treat. Remove the peel, which is difficult to digest, and avoid giving large portions because the fruit is sweet and can upset a dog’s stomach.

Banana (sliced) Vitamins & Minerals

Vitamins

B6

0.55mg · 32% DV

Vitamin C

13.05mg · 15% DV

B5

0.5mg · 10% DV

B2

0.11mg · 8% DV

Minerals

Manganese

0.41mg · 18% DV

Potassium ⭐

537mg · 16% DV

Copper

0.12mg · 13% DV

Magnesium

41mg · 10% DV

Sodium

1.5mg · 0% DV

Banana (sliced) Glycemic Index

GLYCEMIC INDEX

51
Medium
0 Low5570100

GLYCEMIC LOAD

18
Medium

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Banana (sliced)

To burn the 134 calories in 1 cup (medium) (150 g):

🚶

33min

Walking (5 km/h)

🏃

14min

Running (8 km/h)

🚴

18min

Cycling

🏊

16min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Banana (sliced)?

Sliced banana is simply ripe banana peeled and cut into rounds. Bananas are eaten fresh around the world, and the slices are an easy addition to breakfast bowls, porridge, yoghurt or toast. Their soft texture and mellow sweetness also work well in smoothies, fruit salads and baked desserts. Since the cut surface can brown as it sits, slice a banana shortly before serving if you want it to look fresh.

Banana provides carbohydrate for quick energy, along with fibre and potassium; it is naturally very low in fat. For a more filling snack, pair it with plain yoghurt, oats or a small handful of nuts. Its sweetness often means you can skip added sugar in breakfast dishes and smoothies.

How Nutritious Is Banana (sliced)?

Nutrient density

High

65/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

46/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Banana (sliced) Processed?

NOVA 2

Minimally Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Banana (sliced) Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Banana (sliced) Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Banana (sliced) Fat Profile

SATURATED

0.17g

MONOUNSATURATED

0.05g

POLYUNSATURATED

0.11g

⚖️

Omega 6:3 ratio 1.6:1

Below the ideal 4:1 — a good omega balance.

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Foods Similar to Banana (sliced)

🍓

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32 kcal

🥑

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160 kcal

🍑

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39 kcal

🍇

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299 kcal

🍎

Apple

52 kcal

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69 kcal

🍉

Watermelon

30 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.