Noxygen™ is a novel stimulant-free preworkout adjunct designed to create an oxygen-sparing environment through enhancing vasodilation and blood flow with nitratene™ while simultaneously volumizing muscle cells and increasing lean body mass (lbm) with hydromax® water-soluble glycerine. Yet another industry first for purus labs®, noxygen is perfect for both strength and endurance athletes. Purus labs noxygen - unflavored (40 servings)