GU Energy Gel is proud to introduce the most advanced energy gel yet, Roctane, designed for the hardest working athletes in sports. Roctane originated as a premium energy gel developed by company founder Dr. William Vaughan to fuel his daughter Laura’s course record at the Hardrock Hundred Mile Endurance Run in the Colorado Rockies. Now, after years of testing with thousands of elite athletes training for and competing in the most physically demanding sports in the world, it’s your turn to fuel up like a pro!