- Professional Strength Endurance & Hydration Mix
- Maximizes Performance & Delays Fatique in the Most-Extreme Conditions
- Delivers 1400mg of Essential Electrolytes to Prevent Cramping
BUY 1 GET 1 FREE
EFS-Pro is the holy grail of endurance fueling products."
-Mark Allen (6x Kona IRONMAN World Champion)
and helps me recover during heavy training.
It's part of my daily routine.
2x Tour of Flanders Champion
- Designed to meet the unique requirements of endurance athletes
- Contains clinically effective doses of Beta Glucan 1-3/1-6
- Increases time to exhaustion and endurance capacity
- Delivers 50% more Iron than the regular MultiV
Highest Electrolyte Content Available
2X More Electrolytes Than Any Other Sports Drink
With the highest electrolyte content available,
you can train & race with confidence knowing you
don't have to worry about cramping or dehydration.
(1160mg of all 5 electrolytes/serving)
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.