Barley Grass belongs to a family of grasses called cereal grasses. During the first part of the 20th century, the juice of barley grass was discovered to be rich in vitamins and minerals. The light-green leaves of barley plants are usually called barley grass because they are long and narrow like grass. Barley grass has been cultivated as early as 7000 BC, making this food one of the earliest cultivated foods known to man kind. Barley grass is used as a food source in some parts of Asia and it is available for food supplementation as both a juice and a powder that can be added to foods or taken as tablets or capsules.
Barley grass (5 grams) has more protein and fiber than a serving (114 grams) of raw spinach. Barley grass juice contains antioxidants, enzymes, and other phytochemicals that in vitro neutralize free radicals and other unfriendly chemicals, including pesticides and food preservatives. This grass also contains large amounts of beta carotene, folic acid, calcium, and several B vitamins making it a good source of nutrients. Barley juice also contains nutrients such as vitamins C and E,