Based on the provided reference, bananas are considered a "superfruit."
The reference highlights that bananas are packed with fiber and vitamins, including potassium, vitamin C, and vitamin B-6. Vitamin B-6 aids the brain in producing serotonin, which can alleviate depression. Furthermore, bananas contain tryptophan, a protein known to enhance mood. These factors contribute to bananas being recognized as a superfruit due to their potential health benefits.