-Energy
Green juices are made with fruits and vegetables filled with antioxidants, phytochemicals, minerals and vitamins -- sometimes as much as a day's worth of vegetables in one serving. When vegetables are juiced, the natural sugars in the vegetable are separated from the pulp, which is where the fiber is located. You may feel a "pump" of energy once those natural sugars get into your bloodstream and your glucose levels are raised.
-Weight Loss
Weight Loss Adding fruit contributes sugar and more calories in addition to more nutrients.Adding fruit to juices varies the flavor, but it comes with a price -- extra calories. If you are doing a juice fast and drinking green juices is your only source of nutrition, you can still enjoy weight-loss benefits while getting all the vitamins and minerals your body needs. The key is evenly spreading out your intake over an entire day since your body uses energy throughout the day, versus one or two servings full of calories. Packing an entire day's worth of calories into a few servings can be a recipe for weight gain and muscle damage if the body needs energy at a time when its glycogen stores are depleted.
-Immunity
Green juices usually start with fresh vegetables such as spinach, kale, broccoli or others as your base. In a study published in the journal "Cell" in 2011, researchers at the Babraham Institute in Cambridge, England, reported that cruciferous vegetables such as bok choy and broccoli contain a compound that boosts immunity and provides an extra layer of protection to cells in the body.
-Considerations
If you're incorporating green juices into your diet as a means of improving your overall health, blending -- or pureeing -- your vegetables into a smoothie with the help of low-sugar liquids, such as water, juice or milk, may be better options for you. With blending and pureeing, the fiber stays intact. This way, you'll still receive the benefits of feeling fuller longer, which can keep you from consuming more calories in addition to those contained in your green juice.