Many natural-food stores sell juices, shakes, and smoothies made with barley grass, a plant known to contain antioxidants. The leaf of the barley plant (a type of whole grain), barley grass is often said to help promote detox, fight disease (including cancer), and promote weight loss. However, there's currently very little scientific support for any claims about the health effects of barley grass.
If you're looking to increase your antioxidant intake, make sure to follow a diet rich in vibrantly colored fruits and vegetables. Certain healthy beverages, such as green tea and black tea, are also antioxidant-rich.
And for a more science-backed juicing ingredient, consider sipping beetroot juice. Studies show that the antioxidant-packed juice may reduce inflammation, increase exercise stamina, and keep blood pressure in check. Read the story: Barley Grass - What You Need to Know