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Average retail price per pound: $0.57

Bananas are a great source of a certain prebiotic that is believed to be more effective than probiotics – improving the balance of gut flora in your digestive tract. Bananas are also rick in fiber. The fruit is also an ideal snack because it is filling and helps prevent cravings and regulate blood sugar in order to aid in weight loss. Bananas are very high in potassium which gives a lot of energy to the brain.