Read this short testimonial from WEBMD.com
Barley is a plant. The grain of barley is used to make medicine.
Barley is used for lowering blood sugar, blood pressure, and cholesterol, and for promoting weight loss. It is also used for digestive complaints including diarrhea, stomach pain, and inflammatory bowel conditions.
Some people use barley for increasing strength and endurance. Other uses include cancer prevention and treatment of a lung problem called bronchitis.
Barley is applied to the skin for treating boils.
Barley has no known side effects.