JOIN TEAM XND.
3 Simple Steps to start FAST.

Step #1 - Create your Xendurance Account

Click on the person icon in the top right & create an account!

#2 Purchase the Team XND Membership 

Now that you are signed in, go ahead and purchase a TEAM XND membership.

Learn More About Team XND

#3  Place your first order with 25% OFF Team XND Pricing

Use the first $50 loyalty coupon that was emailed to you to place your first order over $125

JOIN 10,000 TEAM XND MEMBERS!

  • Abdiel Crespo 

    5/5

    If you are looking to recover faster and feel stronger and with a better engine you must have Extreme Endurance on your side. It is the only supplement that you should not stop taking.

  • Veronika D’Alfio

    5/5

    Perfect product. Been taking it for a week and already fed the difference. I bought a few products and will be getting more, also signing up for a membership soon. Thanks

  • Natalie Collar

    5/5

    I started using Extreme Endurance in October 2020 after I noticed a difference in one of my teammates at a fitness competition. I won’t be without it now. I have noticed a significant improvement in my endurance and breathing not only during workouts but just in my daily living. And I’m 60 years young!!!

  • Shawna Norton

    4.5/5

    I LOVE this product. As a competitive CrossFitter looking to get to the next level, I need to be doing everything within my power to support my training. I feel like Extreme Endurance allows me to keep pushing and to continue to test my limits!

& TRUSTED BY WORLD CLASS ATHLETES

Danielle Brandon

3x CROSSFIT GAMES ATHLETE

Josh Bridges

FORMER NAVY SEAL & CROSSFIT GAMES ATHLETE

Clayton Murphy

800M OLYMPIC BRONZE MEDALIST

Donavan Brazier

800M AMERICAN RECORD HOLDER

Products 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