
BOLDLY UNCONVENTIONAL
WHEN LIMITS FADE, POSSIBILITIES BEGIN
We've been revolutionizing endurance nutrition since 2002. From our very first product, Optygen, we’ve set the standard with groundbreaking innovation, clinically-proven ingredients, and state-of-the-art technology.
Every decision we make is guided by one simple question: will it help athletes defy the limits of what’s possible?

THE ULTIMATE TESTING GROUND
Our office is our lab is our playground: Salt Lake City’s Wasatch mountains at 4,400 feet. With iconic climbs, mountain lakes, and endless trails, it's the ultimate endurance playground. Here we collaborate with our team of elite athletes and leading doctors to develop groundbreaking endurance nutrition that pushes the boundaries of performance.

WE LIVE FOR THIS
ACHIEVING THE IMPOSSIBLE, TOGETHER
We've spent countless hours driving to races and have stayed in more grungy hotels than we care to remember. Our passion for training and racing influences everything we do. It’s not just what we do — it’s who we are.
It’s not just about the finish line; it's about the shared experiences, the shared losses, and the shared victories that create a special camaraderie born out of resilience and determination.
A SYSTEM THAT PUTS ENDURANCE FIRST
ENGINEERED FOR PERFORMANCE
Individually, each First Endurance product is exceptional, but when combined, they form an integrated fueling system that goes beyond the sum of its parts, working cohesively to help you train and race like never before.

TOGETHER WE WIN
DEFYING LIMITS, REDEFINING POSIBILITIES
We understand the work ethic, sacrifice and unwavering dedication that go into every win - those magical days when everything comes together.
This relentless pursuit of greatness fuels our commitment to helping you become a better athlete.

DON'T LET ANYTHING SLOW YOU DOWN
STEP UP TO SUPERLATIVE
Gone are the days of uncertainty and confusion. Our integrated fueling system guarantees every aspect of your nutritional needs is addressed while eliminating any guesswork, confusion, or potential complications.