How healthy is our fruit habit?[GETTY]. Our relationship with sugar is rapidly turning sour. Earlier this year academic Dr Aseem Malhotra from. We're knocking back smoothies crammed with fruit, good fats and so-called Smoothies, the health brigade proclaim, are a way to cram loads of high-sugar fruits, nut butter, dates, maple syrup, coconut butter and And don't get her started on the latest Instagram trend for smoothie bowls – a move on. Many of us believe that fruit can only be healthy and so make an eating grapes or bananas at our desk and trying to stick to fruit salad for dessert. Fruit is packed with fructose (fruit sugar) and this doesn't make you feel full.