Juices of high density keeps fruit nutritions at maximum. Generally, juices for sale are marked with density figure on bottle labels. The higher of the juice density, the fewer of some food additives, the richer the nutritions will be. Some 100% density juice beverage are without artificial preservatives. Common controversial ingredients include preservative, color fixatives and so on. We should read product labels carefully and not choose the beverage with these element. How to make good juices? It depends on fruits. Only good fruits can be made into good juices.