Banana Nutrition Facts & Calories Content As Instant Energy

It is mentioned that banana is an instant energy booster, and many athletes eat it to get their energy back. Do you know how many calories in a banana, so many people make a banana as a source of instant energy? Based on USDA National Nutrient database, calories in every medium sized banana or about 118g is 105 calories, meanwhile in a large sized of banana or about 136g is 121 calories. That is