Extreme Endurance
Extreme Endurance
Extreme Endurance
Extreme Endurance

    Extreme Endurance

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    100% Money-Back Guarantee
    No Artificial Ingredients

    Clinically Proven.

    For over a decade, 12 clinical studies have proven the benefits of Extreme Endurance. Two of those studies are Gold Standard, double blind, placebo controlled, published studies. The results of those studies show a reduction of soreness, improvement in stamina and an accelerated recovery. In a 10-day clinical study, Extreme Endurance had an astounding 39% reduction in oxidative stress, which helps promote anti-aging benefits and cellular health. Numerous sources believe oxidative stress is the leading cause of many of our degenerative diseases. World class athletes have trusted Extreme Endurance since 2008 for performance benefits and the ongoing science has shown overall health advantages for everyone concerned about balancing their body’s pH and supporting cellular function to fight free radical damage*

    The Benefits:

    • 26% Reduction of Lactic Acid -> Less Muscle Soreness / Improves Performance*
    • 39% Reduction of Oxidative Stress -> Fights Free Radical Damage*
    • 6X Reduction of Creatine Kinase (CK) -> Faster Muscle Recovery Time*
    • Increase in Aerobic Threshold -> Last Longer, Go Harder*
    • Start feeling the benefits within 72 hours*
    • Certified by Informed-Choice & Informed-Sport**

    Clinical Studies:

    The World’s #1 Endurance Supplement for Stamina, Recovery and Soreness

    Impressively-strong stamina & performance supplement

    Say goodbye to frequent muscle fatigue & short-lived energy. Extreme Endurance triggers a powerful boost to stamina & aerobic threshold – helping you hustle through each workout & competitive event with a fierce drive of energy, resilience & longevity. Extreme Endurance is in your system and starts working within 72 hours and you WILL feel the difference.

    Fast-track your muscle recovery

    Rise like the Phoenix and finally conquer soreness & lactic acid buildup – the main culprit of muscle fatigue from exercise. Thanks to Extreme Endurance’s ability to quickly react against muscle trauma and oxidative stress, your next training session or morning jog will leave you feeling renewed - and ready to go again!

    Impressively-strong stamina & performance supplement

    Say goodbye to frequent muscle fatigue & short-lived energy. Extreme Endurance triggers a powerful boost to stamina & aerobic threshold – helping you burst through each workout & sporting event with a brand new, fierce drive of energy, resilience & longevity. Benefits start after just 72 hours, unlike many supplements that need several days or weeks to kick in.

    Steps to take Extreme Endurance for Optimal Results


    Take 3 Tablets Of Extreme Endurance with or without food first thing in the morning


    Take 3 Tablets Of Extreme Endurance with or without food before bed

    Here’s why elite athletes choose Extreme Endurance 

    When it’s time to unleash your inner-Hercules and bounce back stronger than ever… Its very hard to beat the results you will feel with Extreme Endurance.

    BenefitsExtreme EnduranceOther recovery supplements
    Proven by rigorous scientific research and tested by unbiased 3rd parties.
    Proven to reduce lactic acid by 26%
    Proven to reduce oxidative stress by 39%
    Informed-Sport Certified
    Made in the U.S.A & backed by our 100% 30-day money back guarantee. 

    Join the Membership

    Entire Site Discount

    25% off all products, apparel and accessories for a full year.

    Free Domestic Shipping

    No matter the order size, receive free shipping anywhere in the US and Military APOs

    Partner Discounts

    More discounts from 40+ partners! PerformaSleep, Nike Training Club, Vitamix to name a few!

    World-class endurance supplement

    Have peace-of-mind knowing Extreme Endurance is fully compliant with all professional, collegiate and olympic organizations in the world. This formula contains zero banned ingredients – it’s an all-natural, electrolyte mineral supplement & it’s certified ISO 17025 tested for banned substances.

    ✔️ Calcium Carbonate – Strengthens muscle, bone & heart function

    ✔️ Papain – Anti-inflammatory that reduces muscle soreness after exercise

    ✔️ Magnesium – Improves muscle function & may boost athletic performance

    ✔️ Black Pepper Fruit – Powerful antioxidant that enriches nutrient absorption

    ✔️ Selenium, Chromium & Potassium – Vital minerals for growth & recovery

    Proven over decades of clinical testing

    Trust is EVERYTHING. Josh Bridges, former 4X Crossfit games athlete and Navy Seal has used Extreme Endurance for 10 years. Danielle Brandon, Donavan Brazier, Clayton Murphy, Amanda Barnhart… to name a few…. have all trusted that this product helps their chances to podium.
Backed by 12 unique clinical studies (two of which are published, Gold Standard, double blind & placebo controlled), Extreme Endurance is arguably the most researched & proven sports supplement in the world – and it’s formulated w/ 100% natural ingredients for ANYONE of any fitness level.

    Put Extreme Endurance to the Test

    Step 1

    Time or measure your typical training or activity

    Step 2

    Take the daily dose of Extreme Endurance for a minimum of 10 days

    Step 3

    Re-time or measure your typical training or activity and you will see the difference

    The Xendurance Promise

    Informed Sport

    Third-party tested for prohibited substances

    Not Satisfied?

    Return your product within 30 days no questions asked!

    Never Artificial

    No artificial dyes, flavors or sweeteners in our products!

    Finally – the “easy button” for constant soreness & fatigue

    Change your mind? Return it within 30 days for a 100% refund – no questions asked.


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