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“Proving there was a market for high-end nutritional supplements for distance freaks, First Endurance has found success in becoming the Ferrari of sports-supplement companies.”
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“First Endurance produces supplements that deliver on their promise, thanks to clinically proven dosages of endurance boosting ingredients.”
“I'm surprised how good I feel everyday.”
Substantial Carbs Per Hour
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“EFS-PRO hits the mark when it comes to easiness on the gut.”
Tastes Amazing
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“EFS-PRO keeps me well-fueled and tastes amazing.”
Game Changer
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"The new EFS-PRO formula is a game changer!"
Latest Posts
High-Carb Fueling on the WorldTour
By Larry Warbasse
Learn how fueling has evolved at cycling’s highest level and how the WorldTour pros are maximizing their carbs during the hardest days on the bike.
PROJECT ECHELON: SERVICE, CYCLING, COMMUNITY
With Eric Hill, Project Echelon Co-Founder & Racing Director
Normally, when we announce a partnership with an athlete or team, we’d come in hot with stoke and hype. With Project Echelon, it’s a little different – it’s more like privileged humility for the opportunity to support PE’s mission.
How to Fuel For Success on HOT Days
By First Endurance
Strange things happen in hot conditions; some athletes thrive while others fall apart. Your nutrition program has a lot to do with how well you handle extreme conditions. Dehydration, cramping, and GI distress can wreak havoc on your performance, so it’s important to pay attention to your sweat rate.
Liquid Shot: Traditional Gels Are History
By First Endurance
When re-engineering Liquid Shot, we left no design choice unquestioned and no research or tech stone unturned. Learn about the rationale behind the latest formula.
How Liquid Shot Delivers More Energy, Faster
By Dr. Luke Bucci, PhD
Dr. Bucci gets granular with the sugars and starches that make Liquid Shot the ultimate emergency fuel source when you’re at your absolute limit.
ELECTROLYTES: THE BALANCING ACT FOR OPTIMAL PERFORMANCE
By Jeff Rocco, MD
Dr. Jeff Rocco breaks down each of the five electrolytes, summarizing what they do, how they’re lost, and what happens when you’re deficient in them.