Last updated: April 3, 2026 Quick Answer: A medium banana (approximately 100g) provides around 105 calories, 27g of carbohydrates, 3.1g of dietary fiber, 422mg of potassium, and meaningful amounts of vitamin B6 and vitamin C. The nutrition info of banana shows that bananas have a low glycemic index (GI of 51 when ripe), making them a … Continue reading Banana Nutrition Facts: Calories, Benefits and Best Ways to Eat Them (2026)