PREMIUM ENDURANCE FUEL


Once you try it, you’ll never settle for anything less.

“Proving there was a market for high-end nutritional supplements for distance freaks, First Endurance has found success in becoming the Ferrari of sports-supplement companies.”

“First Endurance produces supplements that deliver on their promise, thanks to clinically proven dosages of endurance boosting ingredients.”

“First Endurance has chosen to bypass the mainstream and focus on the pointy end of the market – investing in top grade ingredients, production, and the right people to create a better grade of nutrition specifically for endurance athletes.”

FUELING MADE SIMPLE


In the past, you had to mix and match your endurance nutrition. You’d get gels from one company, hydration mix from another, and your recovery mix from yet another. That created all kinds of problems.

First Endurance is a comprehensive performance system that eliminates guesswork. No overlap, no gaps, no confusion, no reason to DNF.

100% Performance Guarantee

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LATEST BLOG POSTS

Diet & Fueling in Taper Time

Diet & Fueling in Taper Time

Diet & Fueling in Taper Time What to maintain – and what to change – during the lead-up to target events.INTRODUCTION The Ironman World Championships are finally going to happen and I couldn’t be more excited. I have had a fantastic build, am healthy,...

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Tommy Rivs x First Endurance

Tommy Rivs x First Endurance

Photo credit: Paul Nelson @trailjunkiephotosIntroduction Words like “inspiring,” “perseverance,” “overcoming,” and the like get thrown around a lot in endurance athletics, but – for some athletes – they aren’t just stoke-bro hyperbole. Tommy “Rivs”...

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Activating Curcumin

Activating Curcumin

ACTIVATING CURCUMIN How the curcumin in HALO’s patented formula benefits endurance athletesINTRODUCTION In this third and final installment on curcumin in HALO, Dr. Bucci breaks down the effects the compound has on exercising bodies by explaining how...

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Upgrade Your Performance

Clinically Shown to Increase Endurance

Ashley

I’m able to push myself harder

“Physically and psychologically, I’m able to push myself harder. I'm not hitting the weights or anything. Just hardcore cardio. Optygen is, by far, the best supplement that I’ve come across.”

Doug D.

Helps me get lean

“Every season, when I start taking OptygenHP on a regular basis, I always lose a few extra pounds. I lean out. This has happened for the last three years in a row. Once I start using OptygenHP, I lose about three pounds.”

Matt K.

Big difference

“The biggest difference I notice is when I stop using it.”

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RESEARCH.
TECHNOLOGY.
PERFORMANCE.


We’re committed to pushing the limits of endurance nutrition so you can redefine your limits of endurance.

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ARRIVALS

THE BEST FORMULA WE’VE EVER DEVELOPED

OPTYGENHP

ALL-IN-ONE CONVENIENT MEAL REPLACEMENT

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WHAT THE PROS ARE SAYING


“With First Endurance, I can train & race really hard and get up and do it again the next day.”

Tina Pic
6x US Criterium champion

“I’m able to train and race better with First Endurance.”

Matt Hanson
America’s Fastest IRONMAN

“I can rebound fast enough to make every run a strong one.”

Karl Meltzer
Winningest Ultra runner in history (38 Victories)

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