Bananas Nutrition Facts

So, let’s start with the basics question first:  Are Bananas fattening?

The simple answer to that question is that no food in and of itself is fattening.  It depends on what you eat it with, when you eat it and most importantly how MUCH you eat.  Another HUGE factor is how much you exercise.  So, in order to answer that question a bit more thoroughly, we will begin by looking at the basic nutritional information about bananas.

What are the basic nutrition facts of the banana?

Basic Banana Nutrition Facts

According to, here is the basic nutrition data for a medium sized banana (7″-8″ long):

  • Carbohydrate: 27 grams (3g fiber)
  • Protein: 1g
  • Fat: none
  • Calories: 105

Vitamins in Bananas

  • Vitamin A –  75.5IU
  • Vitamin C –  10.3mg
  • Vitamin E (Alpha Tocopherol) –  0.1mg
  • Vitamin K –  0.6mcg
  • Riboflavin –  0.1mg
  • Niacin –  0.8mg

Minerals in Bananas

  • Calcium –  5.9mg
  • Iron –  0.3mg
  • Magnesium –  31.9mg
  • Phosphorus –  26.0mg
  • Potassium –  422mg
  • Sodium –  1.2mg

Good things about bananas:

  • Low in saturated fat
  • Low in cholesterol
  • Low in sodium
  • Good source of dietary fiber
  • Good source for Vitamins C and B6, Potassium and Manganese

“Bad” things about bananas:

  • Most of the calories come from sugars

But, here’s where you have to be careful about judgement calls like “bad” things about bananas.  First of all, the sugar is natural and not refined sugar or corn syrup.  Secondly, your body runs on sugar, so you have to pay attention to the context.  What I mean is that, it depends on when you eat the banana and what you eat with it.

You may know that bicyclists LOVE bananas.  They are perfect for maintaining your energy on a long bike ride.  That’s because of the sugar.  Since sugar hits your bloodstream quickly a banana will give you a quick boost of energy.  So the judgement of whether the sugar is “bad” for you depends on how much load your body is under when you eat the banana.  More on this in a later post.

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