Pero Instant Natural Beverage, JarPero Instant Natural Beverage, Jar PERO, Instant Natural Beverage. 100% caffeine free. PERO is 100% natural and caffeine free. It will not cause sleeplessness, high blood pressure or stomach problems, because it contains none of the stimulants that coffee and tea contain. PERO gives you 130 135 rich tasting servings per container. INGREDIENTS: Malted Barley, Barley, Chicory. Contains Barley which is a source of Gluten. May contain traces of Peanut