Breakthrough Year!
“My heart rate dropped significantly and I was able to push harder at a lower heart rate.”
Game Changer
“Quite literally a game changer for endurance athletes looking to optimize their performance gains.”
Big Gains Fast
“I increased my Vo2 Max by 5 points in the first 10 weeks!
“The Ferrari of sports-supplement companies.”
“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.”
Full Protection
"The only time I got sick was the month I ran out."
Highly Recommend!
"Took me through flu-season and marathon training, when I should have been most vulnerable."
Keeps me healthy
"I don't catch colds or get sick when I take MultiV regularly."
The best multivitamin out there
"I started noticing more constant energy within about 2 weeks."
Latest Posts
First Endurance Partners with Kelly Benefits Cycling to Support Rising Talent
By First Endurance
First Endurance has partnered with Kelly Benefits Cycling to help develop the next generation of elite cyclists. KBS is a top U.S. development program known for producing results—and future leaders.
Matt Denis Teams Up with First Endurance
By Matt Denis
Meet Matt Denis, First Endurance’s new copywriter—and a competitive cyclist who knows the grind firsthand. He’s been channeling pro-level insights into our content all year, and now he’s turning the spotlight on himself in this Q&A.
How We Put the Pro in EFS-PRO
By First Endurance
EFS-PRO is based on athlete feedback, surveys, and testing. The science is complex—but at its core, it’s all about one thing: carbs.
