Been into Barley Greens for a long time now, but just came across this fantastic pdf on it.
Written by Prof Dr. Y. Hagiwara and Dr. A. J. Cichoke, i have it here for download it is totally worth the read.
Here is the link to the Whitepaper; Barley Leaves Extract for everlasting health
The product has great benefits like reducing acidity [disease lives in a acidic body] is high in chlorophyll and anti-oxidants.