If there was a food that was low in calories and low in fat while high in fiber and vitamins and could help you lose weight, chances are you would eat it. The truth is, this nutritious food can be eaten with breakfast or as a snack, or can complement a nice dessert. Bananas are one of the most nutritious and natural foods that help promote weight loss, and can make a convenient addition to your daily diet.
Calories
Bananas are best known for containing large amounts of potassium, magnesium and vitamin B6 and are surprisingly low in calories. The average large ripe banana, which ranges from 7 to 8 inches long, contains only 105 calories, the Discovery Health website and the U.S. Department of Agriculture's National Nutrient Database agree. Based on a 2,000-calorie-per-day diet, eating several bananas a day can provide numerous nutrients and account for only a fraction of your daily caloric intake.
Fat
Like most fruits, bananas do not have much protein, but they are very low in fat. The USDA database reports that a large, ripe banana has less than half a gram of fat. Considering there are 9 calories per gram of fat, you can eat several bananas a day and not take in any bad fat that could lead to weight gain.
Fiber
Bananas are high in dietary fiber, which makes you feel fuller longer so you won't overeat at your next meal or reach for an unhealthy snack before it. A large banana contains 4 grams of dietary fiber per serving, which can help you reach the recommended daily allowance of at least 25 grams.
Glycemic Index
Aside from its many nutrients and convenient packaging, bananas also have a low glycemic index, which can help you with weight loss. The glycemic index is a ranking of how quickly carbohydrates from food are released into the body. Foods that have low glycemic index scores release carbs slowly into the body. This prevents drops and spikes in your blood sugar levels as fluctuations signal your body to eat more than you should. The Glycemic Index Foundation's website lists ripe yellow bananas with a glycemic index of 51 --- a low value on a scale where anything above 70 is considered high and anything under 55 is low.
Misconceptions
Eating bananas is only part of an overall lifestyle change--- including a healthy diet, cardiovascular exercise and strength training --- that can result in effective weight loss. Eating bananas should not be the sum of your weight-loss plan, but rather one small part of it.
