NOS Active Acai Blueberry Pomegranate 22 ounce (US) Non–refillable plastic other bottle. NOS has an energy blend that includes taurin, L–Carnitine, Inositol and Panax Ginseng. NOS can help provide high performance energy and enhanced mental focus. New flavors have an improved formula that includes L–Theanine. Can help provide high performance energy and enhanced mental focus. Improved formula that includes L-Theanine.