Banana keeps your body hydrated :
To make it clear hydration is: H2O + electrolyte (chloride,potassium,magnesium,sodium)
The body needs water + electrolyte to stay hydrated and the potassium plays this rule of regulating and balance fluids in your body.
The athletes must eat potassium-rich food after a sweaty workout to counteract these imbalances of cellular changes in potassium, according to the International Society of Sports Nutrition.
Your gut needs Banana to digest well :
As we know one Banana has grams of filling fiber (about 10 percent of your daily intake), also the prebiotics, a type of fermentable fiber that feeds the probiotic bacteria that is also called the friendly bacteria of digestion.because its improve digestion, shorten the period of your cold, and also it’s helping with weight.