Green juice mainly neutralizes the acidity in the body and makes the body alkaline. No weight loss effect. Of course, if you only drink green juice without eating, you should lose weight, but only because you didn't eat, not because you drank green juice. If you want to do meal replacement, it is recommended to drink enzymes, which have the effect of losing weight. Don't eat that meal at night. It's easy to feel full when you drink slowly, but you will still be hungry at night, depending on your endurance. The function of enzyme is liquid >: powder > particle. However, liquid enzymes are generally more expensive, so it is recommended to drink powder. In addition, it is also a good choice to drink enzymes and green juice together, which can improve physical fitness and help enzymes to absorb better.