Barley Dog, Barley Grass for Pets, 11 oz from Green Foods CorporationBarley Dog Powdered Barley Grass Juice Made with Organic Young Barley Leaves. Complete Vegetable Nutrients. Contrary to popular belief, a dog grazes on grass not because of an upset stomach, but due to the fact it's looking for the same fresh, raw nutrition enjoyed by its healthy and strong ancestors in the wild (it's the sharp, microscopic barbs that cause internal agitation and vomiting). Help your best friend get what it needs naturally with Barley