While bananas are relatively high in sugar compared to other fruits, with about 14 grams of sugar per banana, they also offer fiber and nutrients, so they are relatively healthy. They are high in vitamin B6, providing about one-quarter of the recommended daily value.
Bananas are also high in potassium and magnesium, and they offer sustained power for workouts. Due to thir potassium content, bananas can help with leg cramps. They have also been shown to help with depression, as the tryptophan they contain is transformed to serotonin in the body. They also help good bacteria to grow in the body, so it is beneficial to eat bananas along with probiotics.