Why not energize with something that is good for you? Cleaner. Smarter. Stronger. Rev 3 Energy Surge Pack is all the power of an energy drink?refined. With antioxidants and caffeine derived from green tea, Rev3 is a more natural energy drink that actually works as a dietary supplement. Rev3 Energy Surge Pack is also a great alternative to crash-and-burn energy drinks. The convenient, ready-to-mix stick pack lets you take it anywhere, perfect for when you need a quick and refreshing pick-me-up. It is low in calories (10 calories per serving) and hydrating. You can keep it in your water bottle for sustained energy throughout the day or get a quick boost for that long walk or bike ride. Rev3 Energy Surge Pack?join the healthy energy revolution.