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Fruits

Banana

Per serving: 1 medium banana (118g)

energy boostpotassiumpre-workoutheart healthdigestive health
105CALORIES
per serving
1.3gProtein
27gCarbs
0.4gFat
3.1gFiber

About Banana

Bananas are nature's convenient energy bar — portable, affordable, and packed with essential minerals. A medium banana provides 105 calories along with 422mg of potassium and a solid dose of vitamin B6.

Their blend of natural fructose, glucose, and dietary fiber offers sustained physical energy without heavy digestive strain, making them a favorite pre-workout choice for runners and athletes.

At-a-Glance Stats

51Glycemic Index🟢 Low
11Glycemic Load🟡 Medium
75%Water Content💧 Hydrating
23.9gNet CarbsTotal carbs − fiber

Macronutrient Breakdown

🔥

105 kcal

Total calories per 1 medium banana (118g)

Protein

Builds & repairs muscle tissue

1.3g

3% of typical daily value

Carbohydrates

Primary fuel source for energy

27g

27% of typical daily value

Total Fat

Supports hormones & nutrient uptake

0.4g

1% of typical daily value

Dietary Fiber

Feeds gut bacteria & aids digestion

3.1g

10% of typical daily value

Calories by Serving Size

Serving SizeCaloriesFiber
Small banana (101g) 902.6g
Medium banana (118g) This page1053.1g
Large banana (136g) 1213.5g

All values are approximate. Actual nutrition may vary by apple variety (Fuji, Gala, Granny Smith, etc.).

Key Health Benefits

  • 1

    Rich source of potassium (422mg) which helps regulate fluid balance and blood pressure.

  • 2

    Contains vitamin B6 necessary for neurotransmitter synthesis and energy metabolism.

  • 3

    Resistant starch in less ripe bananas acts as a prebiotic fiber supporting digestive health.

  • 4

    Provides accessible carbohydrates for pre-workout energy and post-workout muscle glycogen recovery.

Vitamins & Minerals

NutrientAmount% Daily Value
Potassium422mg
9%
Vitamin B60.43mg
25%
Vitamin C10.3mg
11%
Magnesium32mg
8%
Manganese0.32mg
14%

% Daily Value (2,000 cal diet):

≥20% High10-19% Good<10% Low

Expert Tip

Slightly green bananas contain more resistant starch, which feeds healthy gut bacteria and reduces glycemic impact. Fully ripe bananas are sweeter and easier to digest before intense workouts.

Diet Compatibility

VeganVegetarianGluten-FreeKetoPaleoMediterraneanLow-CalorieDiabetic-Friendly

Frequently Asked Questions

How many calories are in Banana?

Banana contains 105 calories per 1 medium banana (118g). This includes 1.3g protein (5.2 kcal), 27g carbohydrates (108 kcal), and 0.4g fat (3.6 kcal).

How much protein does Banana have?

Banana provides 1.3g of protein per 1 medium banana (118g).

Is Banana good for weight loss?

Provides accessible carbohydrates for pre-workout energy and post-workout muscle glycogen recovery. With 105 calories per serving, it can fit well within a calorie-controlled diet.