FIRST ENDURANCE
PERFORMANCE STARTS HERE
BEST SELLERS
EXPECT GREAT RESULTS
First Endurance is precision-crafted for the most discerning athletes. With a commitment to optimizing performance, accelerating recovery, and sustaining energy, it's the only choice for those dedicated to pushing their limits.
TRADITIONAL GELS ARE HISTORY
Liquid Shot incorporates the latest fuel-source technology, blending complex carbs for prolonged energy and high-glycemic carbs for fast uptake and immediate use. It provides an emergency lifeline to replenish flagging energy levels and support high-output, high-intensity efforts better than gels.
UNRIVALED INNOVATION
We’re committed to pushing the limits of endurance nutrition so you can redefine your limits of endurance.
PERFORMANCE REDEFINED
We spared no expense upgrading the EFS drink mix, investing in the latest research-driven innovation and technology. The new isotonic formula delivers complete nutrition that supports physical and mental performance, redefining the limits of endurance nutrition so you can redefine your limits of endurance.
INCREASES POWER & REDUCES LACTIC ACID
See what others are saying.
Shannon
GAME CHANGER
"Quite literally a game changer for endurance athletes looking to optimize there performance gains"
Mark.
BIG GAINS FAST
I increased my VO2 Max by 5 points in the first 10 weeks.
Daniela A.
BREAKTHROUGH YEAR!
I immediately saw the difference in training. My heart rate dropped significantly and I was able to push harder at a lower hear rate.
FUELING MADE SIMPLE
First Endurance is a comprehensive performance system that eliminates guesswork. No overlap, no gaps, no confusion, no reason to DNF.
Blog posts
La Ciencia de la Recuperación: Cómo Optimizar tu Proceso de Recuperación
Por el Dr. Luke Bucci y Jeff Feliciano Introducción Cuando lo das todo durante el entrenamiento o la competición, puede llevar días volver al 100%. Mientras tanto, tendrás que lidiar con la incomod...
BETA ALANINA: MEJOR QUE BICARBONATO
Por Luke R. Bucci, PhD CCN CNSINTRODUCCIÓNRecientemente, el bicarbonato de sodio (o simplemente bicarb) ha estado recibiendo mucha atención como la última y mejor ayuda ergogénica en los deportes d...
CÓMO ASEGURAR EL ÉXITO EN DÍAS CALUROSOS
ERRORES COMUNES Y CLAVES PARA EL ÉXITO. Actualizado para 2024 INTRODUCCIÓN Todos hemos experimentado en alguna variante - es básicamente un rito de paso para cualquier atleta de resistencia serio...