ISS Research - OhYeah One Bar PeanutButterPie - 2.12 oz. (60 g) ISS Research OhYeah! One bars were created to simplify your decision process, rewarding you with superior ingredients both nutritional and flavorful that will power some of the best moments of your life! Early mornings, hectic days, shifting priorities, achieving dreams - all part of our daily routine. When it comes to fueling our bodies with food, convenience is the dominant factor!