Wheat grass can be used to treat skin diseases such as eczema and psoriasis. Lose Weight If you have a few pounds to lose, wheatgrass may be the answer. Reduce Food Cravings: Wheatgrass is loaded with so many nutrients that your body isn’t lusting for other foods for any lack of vitamins or minerals. Slow Aging The amino acid chains and antioxidants in wheatgrass can help repair damaged DNA and reduce the effect of free radicals, Improve Immunity One of the wheatgrass benefits is its ability to increase cells in the body, making it an excellent immunity booster. Improve Digestion: Instead of reaching for antacids to relieve heartburn or indigestion, introduce wheatgrass into your daily regimen.