Banana juice is a refreshing beverage made from fresh bananas. It's typically prepared by blending ripe bananas with water or milk until smooth. Some recipes may include additional ingredients like honey, vanilla extract, or yogurt to enhance the flavor. Banana juice is rich in potassium, vitamins, and dietary fiber, making it a nutritious choice for a drink. It can be enjoyed on its own or used as a base for smoothies and other fruity beverages