what do bananas contain
Bananas are a very good source of vitamin B6 and a good source of manganese, vitamin C, potassium, dietary fiber, potassium, biotin, and copper. For an in-depth nutritional profile click here: Banana.ince bananas are a good source of potassium, and since low potassium levels are known to contribute to risk of muscle cramps, it is logical to think about the potassium content of bananas as being the reason for fewer muscle cramps after consumption of bananas.