Under-eating and mistiming protein is killing your recovery, strength, and performance. Fuelin breaks down exactly how much you need, when to eat it, and why getting it right could be your game-changer.

Here’s the truth: athletes obsess over gels and bottles on the bike and run while ignoring the most significant contributor to performance and body composition—your everyday nutrition.

After just four months of working with Fuelin, Colleen got her period back! This was while she was training 20-22 hours a week in preparation for her first full Ironman. This was huge! Another bonus was that, with proper fueling, she remained injury-free despite the jump in volume and felt great during her entire training block.