Fruit juice is good for you. Natural fruit juice is good for you, but it is bad for your teeth. So yes, it is good some orange juice with your breakfast or lunch, but it is not beneficial juice between meals. For this, it is good water instead. Eight glasses of water a day is good for you, and in water there is not any calories but, in orange juice there are a lot of calories. It is important to start a day with a good breakfast. Without breakfast you feel hungry. Later in the morning some biscuits and chocolates are good for you. However, sugar is not a good idea.