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Xendurance
JOIN 300,000+ CUSTOMERS
GOODBYE SORENESS
HELLO PERFORMANCE
4.9/5.0 (1,000+ Reviews)
26% Reduction of Lactic Acid = Less Muscle Soreness
39% Reduction of Oxidative Stress = Improves Performance
6x Reduction of Creatine Kinase (CK) = Muscle Recovery
Increase in Aerobic Threshold = Better Vo2 Max
Benefits within 72 hours
Certified by Informed-Sport
As seen on
TRUSTED BY WORLD CLASS ATHLETES
3x CROSSFIT GAMES ATHLETE
FORMER NAVY SEAL & CROSSFIT GAMES ATHLETE
1500m USA TRACK TEAM
800M WORLD RECORD HOLDER
PROVEN IN 12 CLINICAL STUDIES
RECOVERY TIME IMPROVEMENT
The intense and rigorous workouts we do in the gym can take their toll on our bodies. Our muscles might be sore for days after, which is why it's so important to recover properly.
STAMINA INCREASE
You can never have too much stamina. Extreme Endurance helps you push your limits and go the distance, fight fatigue and Set PRs
INCREASE POWER
Increase power output by 10-25% with a similar heart rate
DEEPER BREATHS
Proven to increase VO2 Max and Aerobic threshold.
HOW IT WORKS
Take 3 tablets in the morning & 3 tablets at night
Train Regularly
Feel the benefits in 72 hours, compare against previous workouts
JOIN 300,000 CUSTOMERS OVER 10+ YEARS
Benefits You Will Feel
TRAIN HARDER
Maintain energy levels
RECOVER BETTER
Less soreness, quicker recovery
SET NEW PRs
Improve workout or race times
Any athlete or weekend warrior like you works out to push the limits and reach new heights. We’ve developed a super-supplement to help power your along the way, allowing you to train longer and harder with less damage and strain.
BEST VALUE
60 Day Supply
$181.93
$259.85
$78 in Savings + $100 Product Rewards
Take Advantage of The Savings:
25% OFF Extreme Endurance
FREE Omega+D3
Team XND Membership
FREE 2x $50 Rewards
FREE SHIPPING
60 Day Guarantee
MOST POPULAR
60 Day Supply
$115.90
$179.85
$39 in Savings + $25 Product Rewards
Improve Your Fitness:
FREE Omega+D3
FREE $25 Gift Card
FAST SHIPPING
60 Day Guarantee
Single Purchase
$67.95
$10 Product Rewards
Try out Extreme Endurance:
FREE $10 Gift Card
FAST SHIPPING
60 Day Guarantee
RECOVER FASTER, LIVE BETTER
Fights free radical damage & supports crucial cellular functions
Promotes anti-aging by reducing damaging oxidative stress
Increases aerobic threshold and VO2 max for a longer, healthier life
Starts working within 48–72 hours
100% GUARANTEED & BACKED BY THE XENDURANCE PROMISE
Scientific Efficacy: Proven by rigorous scientific research and tested by unbiased 3rd parties.
State-of-the-Art Manufacturing: We only partner with Good Manufacturing Practice (GMP) certified and/or equivalent facilities.
Accessibility for All: We strive to make our product line available to athletes of all abilities!
Certified Drug Free By Informed Sport: 3rd party tested to guarantee free of banned substances
