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.”
NEW!

THIS IS WHAT GOING FAST TASTES LIKE


THIS IS WHAT GOING FAST TASTES LIKE


100% PERFORMANCE
GUARANTEE

If you’re not satisfied, we don’t expect you to pay. Return it within 30 days for a refund or credit. It’s that simple.

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.

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  2. OptygenHP
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  3. Ultragen Recovery Drink
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myREWARDS

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LATEST BLOG POSTS

Mythbusting Caffeine Habituation

Mythbusting Caffeine Habituation

Caffeine supplementation benefits daily users – at the right dosageIntroduction Q: If I regularly use caffeine, will it still work when taken before and/or during exercise? A: YES! You can keep your caffeine habit and still reap its benefits when you...

read more
Caffeine and Endurance Performance

Caffeine and Endurance Performance

Why 25mg of caffeine is the sweet spot for Liquid ShotIntroduction The use of caffeine has become common practice among endurance athletes. It’s well accepted that caffeine can not only improve performance, but it can also reduce the perceived exertion...

read more

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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.”

MORE REVIEWS >

UNRIVALED.
INNOVATION.


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

NEW
ARRIVALS

THE BEST FORMULA WE’VE EVER DEVELOPED

OPTYGENHP

ALL-IN-ONE CONVENIENT MEAL REPLACEMENT

EVO1

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

a man in a red hanson kit cycling

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

Matt Hanson
America’s Fastest IRONMAN
6x IRONMAN Champion

“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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