Say Hello To Vanilla
Sustained Energy
"The new Vanilla is the perfect mild and sweet flavor to keep me fueled for hours"
No Stomach Drama
"Goes down easy and never upsets my gut."
Perfect Flavor
"The light vanilla flavor doesn’t get old, even after multiple servings."
“The Ferrari of sports-supplement companies.”
“First Endurance produces supplements that deliver on their promise, thanks to clinically proven dosages of endurance boosting ingredients.”
Substantial Carbs Per Hour
“EFS-PRO hits the mark when it comes to easiness on the gut.”
The Best Mix Out There
"Even at 120 grams of carbs per 24 oz, it doesn’t taste overly sweet or strong."
Game Changer
"The new EFS-PRO formula is a game changer!"
Latest Posts
Harnessing the Power of Ashwagandha: Adapting to Training Stress for Endurance Performance
By Jennifer Kurtz, PhD, CISSN, CSCS, EP-C
Can a 3,000-year-old Ayurvedic herb actually make you a faster endurance athlete? We break down what modern sports science says about ashwagandha, cortisol, and recovery.
Unleashing Your Full Potential: Why Iron is a Non-Negotiable Foundation
By Jennifer Kurtz, PhD, CISSN, CSCS, EP-C
Heavy legs on an easy run or a heart rate that doesn't behave how you expect isn't always about fitness. Iron is foundational to oxygen delivery and storage and plays a key role in expressing the fitness athletes build.
The Science of Tart Cherry: How Anthocyanins Accelerate Recovery
By Jennifer Kurtz, PhD, CISSN, CSCS, EP-C
Tart cherry isn’t just a recovery trend. It’s a proven tool for helping endurance athletes manage soreness, inflammation, and the toll of hard training.
