And yet, leading experts – including Government advisors on health policy – have questioned the wholesomeness of fruit juice. Public Health England, the. Emine Saner: For decades fruit juice has been seen as a healthy option. Then this week a primary school banned it after claims that it's as bad. Fruit juice is not as nutritious as fresh fruit, but it can be a healthy part of your diet, if it's consumed in small portions. Although the best kinds of juice deliver a bounty of vitamins, the worst are hardly better Juices: The Best and Worst for Your Health three glasses of fruit juice. Many people are downing hundreds of calories of fruit juice. Even if it's % fruit juice, this liquid stuff should not be an integral part of any diet and here's why. Still, I'm not going to say that fresh fruit juice is bad for you per se. Rather, I'd simply like to break our natural association that fruit = healthy, and shift this to a.