Skip to content

What is the lowest calorie banana? The role of size and ripeness

4 min read

An extra-small banana (less than 6 inches) contains approximately 72 calories, making it the lowest calorie banana option available. Many factors influence a banana's caloric content, including its size, but not its level of ripeness as commonly believed. This guide explores which banana has the fewest calories and offers tips for incorporating them into a balanced, healthy diet.

Quick Summary

The lowest calorie banana is determined primarily by its size, with an extra-small fruit containing the fewest calories. While ripeness changes sugar content and resistant starch, it does not significantly alter the total calorie count. For weight management, choosing smaller bananas or unripe green bananas high in resistant starch offers distinct benefits.

Key Points

  • Size is Key: The smallest banana has the fewest calories, with an extra-small fruit containing about 72 calories.

  • Ripeness Affects Carbs, Not Calories: A banana's calorie count stays constant as it ripens, but the ratio of sugar to resistant starch changes.

  • Green Bananas Offer Satiety: Unripe (green) bananas are high in resistant starch, which promotes fullness and aids blood sugar control.

  • Miniature Varieties are Low-Calorie by Nature: Varieties like Elaichi bananas are smaller, meaning they have a naturally lower calorie count per fruit.

  • Combine for Weight Management: Pairing a banana with a protein source like nut butter can increase satiety and support weight management goals.

  • Bananas are Nutritious: All bananas, regardless of size or ripeness, offer important nutrients like potassium, vitamin C, and dietary fiber.

In This Article

Size Matters: The Biggest Factor in Banana Calories

When searching for the lowest calorie banana, the most crucial factor to consider is the fruit's size. An extra-small banana, which is less than 6 inches long, contains the fewest calories at around 72. As the banana's size increases, so does its weight and, consequently, its total calorie count. A medium banana (7-8 inches) averages about 105 calories, while a large banana (8-9 inches) contains roughly 121 calories.

The Common Myth of Ripeness and Calories

A prevalent myth suggests that a banana's calorie count increases as it ripens. In reality, the total number of calories remains largely constant throughout the ripening process. What does change is the composition of those calories. An unripe, green banana is high in resistant starch, a form of carbohydrate that the body digests slowly, and contains less sugar. As the banana ripens and turns yellow, its resistant starch is converted into simple sugars, making the fruit sweeter and easier to digest. For those managing blood sugar levels or focusing on weight loss, the slower-digesting resistant starch in green bananas can promote a feeling of fullness for longer. However, the energy absorbed by the body from resistant starch is offset by the lower sugar content, meaning the overall caloric impact is similar to a ripe banana of the same size.

Comparison of Banana Sizes and Calorie Counts

To help visualize the difference, here is a breakdown of calorie and carbohydrate content based on standard banana sizes:

Banana Size Length Approximate Weight Calories Carbohydrates (g)
Extra Small < 6 inches 81 g 72 18.5
Small 6–7 inches 101 g 90 23
Medium 7–8 inches 118 g 105 27
Large 8–9 inches 136 g 121 31
Extra Large > 9 inches 152 g 135 35

Exploring Different Banana Varieties

While size is the primary determinant of calories, different banana varieties also have unique characteristics that might appeal to those on a diet. For example, Elaichi bananas, also known as Yelakki or Chinia bananas, are a popular miniature variety often found in certain regions. Because they are smaller, they naturally contain fewer calories than a standard Cavendish banana. A medium Cavendish banana is often used as the baseline for calorie comparisons. Other varieties like Red bananas tend to be slightly more caloric due to a higher sugar content for a given size. Plantains, which are botanically part of the banana family but are starchier and typically cooked, have a higher calorie count per serving.

Benefits of Choosing the Lowest Calorie Banana

Opting for a smaller or green banana can offer specific benefits beyond just calorie control:

  • Enhanced Satiety: The resistant starch and fiber in green bananas can help you feel full for longer, reducing overall calorie intake throughout the day.
  • Improved Digestion: Resistant starch acts as a prebiotic, feeding beneficial gut bacteria and supporting overall digestive health.
  • Stable Blood Sugar: The slow digestion of resistant starch in unripe bananas prevents the rapid blood sugar spikes associated with ripe bananas, which is beneficial for diabetics and those managing weight.
  • Nutrient Density: All bananas, regardless of size, are packed with essential nutrients like potassium and vitamin C. Choosing a smaller banana simply allows for portion control while still getting a nutritional boost.

Practical Ways to Incorporate Bananas into a Healthy Diet

To make the most of this nutritious fruit while managing your calorie intake, consider these strategies:

  • Choose the Right Size: When snacking, reach for a small or extra-small banana instead of a large one to save calories.
  • Consider Ripeness: If you need sustained energy and slower digestion, choose a greener banana. If you prefer a quick energy source, a ripe yellow banana is an excellent choice for pre-workout fuel.
  • Pair with Protein: Combine a small banana with a source of protein or healthy fat, such as a scoop of nut butter or Greek yogurt. This combination further enhances satiety and stabilizes blood sugar.
  • Use in Smoothies: For a refreshing and low-calorie treat, blend a small, frozen banana with ice, a splash of milk, and a handful of berries for a nutritious smoothie.
  • Make Healthy Snacks: Create nutritious and portion-controlled snacks like frozen banana bites dipped in a small amount of melted dark chocolate.

Conclusion

Ultimately, the lowest calorie banana is the smallest one. While ripeness influences the type of carbohydrate—sugar versus resistant starch—it does not significantly change the total caloric content. For those focused on weight management, choosing an extra-small banana or utilizing the satiety benefits of unripe green bananas are the most effective strategies. Bananas remain a highly nutritious and versatile fruit, and by understanding how size and ripeness affect them, you can make informed choices to support your health goals. Regardless of your preference, a banana is a far healthier option than many processed, high-calorie snacks. For further reading on the dietary benefits of green bananas, check out this guide from NDTV(https://www.ndtv.com/health/10-health-benefits-of-adding-green-bananas-to-your-diet-7762452).

Frequently Asked Questions

No, a banana's calorie count does not increase as it ripens. The total calories remain consistent, but the composition changes from resistant starch in green bananas to simple sugars in ripe ones.

Some miniature varieties, like Elaichi or Yelakki bananas, contain fewer calories simply because they are smaller in size than a standard Cavendish banana.

A small banana, which is typically 6-7 inches long, contains approximately 90 calories.

A medium-sized banana, measuring 7-8 inches long, has an average of 105 calories.

Yes, green bananas can be beneficial for weight loss. Their high resistant starch content acts like fiber, keeping you full for longer and helping to stabilize blood sugar levels.

Green bananas are rich in resistant starch, which digests slowly and supports gut health. Yellow bananas have more simple sugars, providing a quicker energy source.

To lower the calorie count of your banana snack, simply opt for an extra-small or small banana instead of a larger one. Portion control is the most effective strategy.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.