How many calories are in a banana?

A medium banana (7-8 inches) contains 105 calories. Small bananas have 90 calories, large ones 121 calories. Per 100g, bananas are 89 calories, which is moderate compared to other fruits.

Are bananas good for weight loss?

Bananas can support weight loss when eaten in moderation. At 89 cal/100g with 2.6g fiber, they're filling and satisfying. They're higher in calories than berries but lower than dried fruits - one medium banana fits most diet plans.

Are bananas keto-friendly?

No, bananas are not keto-friendly with 20.2g net carbs per 100g (22.8g carbs - 2.6g fiber). A single medium banana would exceed most daily keto limits. Try berries or avocado for low-carb fruit options.

Do bananas spike blood sugar?

Bananas have a medium glycemic index of 51. Riper bananas have more sugar and higher GI than green ones. The 2.6g fiber helps slow absorption. Pair with protein or nut butter for better blood sugar control.

Are bananas high in sugar?

Bananas have 12.2g sugar per 100g, which is moderate for fruit. A medium banana has about 14g sugar. The fiber content helps slow sugar absorption, and the sugar is natural, not added.

How much potassium is in a banana?

A medium banana provides 422mg potassium (9% daily value). While famous for potassium, bananas aren't the highest source - a medium potato has 926mg and spinach has 558mg per cup cooked.

Banana vs apple: which has more calories?

Bananas have more calories - 89 cal/100g vs 52 cal/100g for apples. A medium banana (105 cal) has 10 more calories than a medium apple (95 cal). Apples are lower calorie but bananas have more potassium.

Do brown bananas have more calories?

No, brown and yellow bananas have the same calories. As bananas ripen, starches convert to sugars - total carbs stay constant. Brown bananas taste sweeter and digest faster but aren't more caloric.

When is the best time to eat a banana?

Bananas are ideal 30-60 minutes pre-workout for quick energy, or post-workout for potassium replenishment. The natural sugars provide fast fuel. Eating with protein slows digestion for sustained energy.

How many bananas can I eat per day?

1-3 bananas daily is healthy for most adults, providing potassium and fiber for 90-315 calories. Those with kidney issues should limit potassium intake and consult a doctor about appropriate amounts.

Calories in Banana - 105 cal per medium (7-8") • Calvin • Calvin

Serving Sizes & Calories

Serving Size	Weight	Calories
Extra small (6" or less)	81g	72 cal
Small (6-7")	101g	90 cal
Medium (7-8")Standard	118g	105 cal
Large (8-9")	136g	121 cal
Extra large (9" or longer)	152g	135 cal
Sliced, 1 cup	150g	134 cal
Mashed, 1 cup	225g	200 cal