About Us

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?

BOLDLY UNCONVENTIONAL

We've been redefining endurance nutrition since 2002. From our very first product, Optygen, we've led the way with breakthrough innovation, clinically-proven ingredients, and cutting-edge technology. Every decision we make is guided by one simple question: will it help athletes defy convention?

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.

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100% PERFORMANCE

GUARANTEE

If you’re not satisfied, we don’t expect you to pay. Return it within 30 days for a refund or credit. It’s that simple.

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.

Best Sellers

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Ultragen Recovery Drink

$54.95 USD

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OptygenHP

$79.95 USD

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.

PC: Justin Luau

CONTINUOUS INNOVATION

We’re constantly upgrading and improving our product line to reflect the latest advancements in research and technology. This unwavering dedication ensures you have access to the most advanced endurance nutrition, helping you to shatter previous limits and redefine what’s possible.

Purity & Transparency

We maintain the highest standards of quality control, rigorously testing our products to guarantee their purity and effectiveness. Our commitment to transparency means you always know precisely what you're putting into your body.

UNCOMPROMISING QUALITY

At First Endurance, we leave no room for compromise when it comes to quality. Our commitment to sourcing the purest, most effective ingredients ensures that every product is crafted with precision and care. We're dedicated to elevating your athletic potential to new heights.