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
The Truth About Carbs: Performance Benefits and Long-Term Risk
By: Jennifer A. Kurtz, PhD, CSCS, CISSN, EP-C
The science of carb metabolism, risks of chronic high-sugar fueling, and how to adjust your intake based on training, carb type, and biomarkers. A must-read for endurance athletes.
King of the Trails, Master of Chill: A Conversation with Karl Meltzer
With Karl Meltzer
With the most 100-mile wins in history, Karl shares insights on racing, directing, music, golf—and why keeping it chill might be the ultimate endurance strategy.
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.
