Vitalife Wheatgrass & Barley (Powdered Beverage) Vitalife Wheatgrass & Barley (Powdered Beverage) Vitalife Wheat Grass and Barley Powdered Drink Mix is a health-boosting beverage powder formulated with natural ingredients such as wheat grass, barley, and inulin, offering a refreshing and nutritious drink. • Inulin - is a type of prebiotic. It's not digested or absorbed in the stomach. It stays in the bowel and helps certain beneficial bacteria to grow. It is commonly used for weight loss, constipation, and diabetes. It's also used for high blood fats, including cholesterol and triglycerides.