The best way to drink green barley is 30minutes before meal or 2 hours after meal.
Dr. Yoshihide Hagiwara, the scientist behind green barley, recommended in his book, Green Barley Essence, the following daily timings in drinking green barley:
Drink Green Barley in the MORNING when your stomach is EMPTY. The benefit of drinking green barley at this time is that green barley brings life to mind and body. It also provides the shot of nutrition that the body needs.
Drink Green Barley in the AFTERNOON. Green Barley removes drowsiness.
Drink Green Barley at NIGHT before going to bed. Green Barley will help in lowering the acids in blood, and also it will aid in having a better sleep.