In capsule form you will find a wide array of vitamins including multivitamins and antioxidant formulations the two types of WheatGrass Powder vitamin supplement I most recommend.
And it contains seventy-five percent chlorophyll - most green vegetables have a great deal less than that - and chlorophyll reduces the risk of colon cancer. It's the "blood" of the plant world and its molecular structure is similar to our blood. No wonder it's an important ingredient in some of the better vegetable juices; you'll find that wheatgrass juices are right there with the rest of them.
A common example of a supplement in powder form is a "super greens" drink mix. These contain dehydrated grasses, among other powdered foods, including kelp, algae, brown rice, chlorella, and barley. Again these vary quite drastically, but they are all super healthy and here highly recommended!
Cancer rates in 1900 were just 3% of the population and now it is 25% of the population. The World Health Organization released a report entitled; "Global cancer rates could increase by 50% to 15 million by 2020.
Did you know you can add practically any superfood to any meal for extra nutrition? For example you can make a spirulina and olive oil salad dressing, put bee pollen and goji berries into your morning cereal, add green powder and maca root in your smoothies...(etc.) My little secret is that spirulina over air popped popcorn tastes amazing!
2009: Bio-technology has progressed so that wheatgrass can be grown aeroponically in a pure environment. No more fungus or bacteria from soil is transferred to the plant. Under these conditions the whole plant is used for greater nutrition, dehydrated using a cold-drying process, and packaged as powder in a single serving sachet.
These are but a few snippets of information and never meant to be an in depth analysis of the literature but merely a pointer to the beneficial effects of using wheatgrass either as a juice or in powder form.