Three Fun Facts about Bananas 🍌 1.Bananas are low in calories and have no fat, no sodium, and no cholesterol. They contain vitamin C, potassium, fiber, and vitamin B6. 2.Research shows that eating bananas may lower the risk of heart attacks and strokes, as well as decrease the risk of getting some cancers. 3.Bananas are the only fruit that contains the amino acid tryptophan plus vitamin B6. They help your body produce serotonin—a natural substance that alleviates depression.