B vitamins. No juice, tea, coffee or any tweaks to the energy blend. Monster Reserve is straight-up original Monster in new amazing flavors. It's the ideal combo of the right ingredients in the right proportion to deliver the big bad buzz that only Monster can. Monster Reserve packs a powerful punch but has a smooth, easy drinking white pineapple flavor. Athletes, musicians, anarchists, geeks, hipsters, and bikers dig it-you will too. Unleash the Beast!