NEW AND IMPROVED
CLINICALLY PROVEN TO IMPROVE PERFORMANCE
- ￼The Most Powerful Optygen-HP formula available
- ￼Now with Cordyceps Militaris & Cordyceps Sinensis
- Increases VO2 Max & Reduces Lactice Acid
Push Your Limits Like Never Before
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.”
Premium Sports Nutrition
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.
OptygenHP gives me better performance. It’s part of my daily routine.
Without a doubt, First Endurance has made me faster.
I am now able to rebound fast enough to make every run a strong one.