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.

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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.

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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.

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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

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BETA ALANINA: MEJOR QUE BICARBONATO

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

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...

CAFEÍNA Y RENDIMIENTO ENDOCRINO

CAFEÍNA Y RENDIMIENTO ENDOCRINO

Actualizado 2023   Por Matt Hanson, EdD   LOS BENEFICIOS DE LA NOOTRÓPICA MÁS COMÚN DEL MUNDO DE LOS DEPORTES DE RESISTENCIA El uso de la cafeína se ha convertido en una práctica común entre los at...