Now there's a decaf version of the mega-popular 5 Hour Energy drink that's perfect those who are sensitive to caffeine but still need an energy boost. The success of 5 Hour Energy is due to the simple fact that it works, but there's always been much more to 5 Hour's effectiveness than caffeine. The energy in the new 5-Hour Energy Decaf comes from a proprietary blend of B-complex vitamins and specific amino acids. It's not completely caffeine-free, there's about 6 mg of caffeine per serving, but there's still plenty of non-jittery energy. 5 Hour Energy Decaf was also formulated without the niacin of the regular 5 Hour Energy Drink, so there's no niacin flush. Try 5 Hour Decaf if you're one of the many people who'd love to use energy drinks but can't. Order a case and see what it feels like to get an energy boost without caffeine issues.