Beets in this healthy fruit smoothie produce nitric acid, which helps to increase blood flow throughout your body, including to your brain. (These foods can also. This simple kiwi, mango and pineapple fruit smoothie makes an ideal morning treat. Blitz super-healthy ingredients for a breakfast energy boost - chill the milk Breakfast super-shake · Sunshine smoothie · Super berry smoothie. This free cookbook is full of our best healthy fruit smoothie recipes. They're a great way to get loads of fruit and calcium into your diet, all in a convenient drink.