We provide the ultimate endurance sports nutrition supplements by integrating the latest clinical research with input from the best cyclists, runners and triathletes in the world.

After significant success across America, we are proud to share our experience as the only distributor in the UK.

At First Endurance, we’re constantly looking for innovative ways to help athletes maximize their performance.

Our new PRO products were developed to meet the unparalleled requirements of professional athletes so they can push the limits of endurance in ultra long races, intense heat and other extreme conditions without compromise.


The electrolyte content of EFS-PRO is industry-leading, with an emphasis on replenishing nearly all of the sodium lost through sweat.”

Road Bike Action Magazine

THE ELECTROLYTE KING…adds up to 10 times what some other leading mixes provide.”

Peloton, Fuel For The Ride

CYCLING: OptygenHP gives me better performance.  It’s part of my daily routine."

Fabian Cancellara 3X Winner Paris-Roubaix 2x Tour of Flanders

TRIATHLON: Without a doubt, First Endurance has made me faster."

Trevor Wurtele 2013 IRONMAN Canada Champion

RUNNING: I am now able to rebound fast enough to make every run a strong one."

Karl Meltzer Winningest Ultra runner in history

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