While 100 percent juice may be a convenient way to consume extra vitamins and minerals, it can be packed with sugar. Nutritionist Dr. Jonny Bowden recommends eliminating fruit juice from your diet entirely -- it's full of sugar and has none of the fiber that real fruit does.while whole fruit is a source of dietary fiber, fruit juice actually contains little to no fiber. A cup of apple juice, for instance, has 0.2 gram of fiber, while a whole apple contains 3.3 grams. One cup of orange juice has 0.5 gram of fiber while a cup of fresh raw orange has 4.3 grams. Drinking fruit juice before a meal May actually make you hungrier, too -- it not only adds calories, but can cause you to eat more calories in the following meal, according to Medline Plus.