Pero Coffee Substitute Instant Natural Beverage is a caffeine-free beverage product. This natural coffee substitute comes packaged in one 7 oz. canister and has no sodium and fat. Each serving contains just 5 calories, 1 gram of carbohydrates and zero gram of protein. See nutrition facts panel for allergens.Pero coffee substitute is a 100 percent natural caffeine free drink with a coffee like taste. Pero coffee substitute is a coffee alternative blended from select all natural ingredients malted barley, chicory and rye.