Are you up for it?

Join the Extreme Endurance Challenge Today

Goodbye Soreness. Hello Extreme Endurance.

Learn how world-class athletes like Josh Bridges are lasting longer, going harder, and recovering faster with this elite supplement.

Take the one week challenge with a 30 day money back guarantee!

How It Works?

This is a one-week long, self guided challenge. Simply purchase Extreme Endurance, follow our recommended workouts and reap the benefits.

Track your progress and share your results online with our community.

HAVE YOU GOT WHAT IT TAKES?

Day 1

Complete baseline workout of your choice from the Recommend Workouts below. Make sure to record your results based on the workout chosen. We recommend also recording how you feel during and after the workout.

Day 2 - 7

Start taking Extreme Endurance; 3 tablets in the morning and 3 tablets at night. Do not skip days! Even if you are not working on that day, it is important to continue taking Extreme Endurance to see the benefits.

Day 8

Retest the same workout done on Day 1 of the challenge. Make sure to record your results based on the workout chosen. We recommend also recording how you feel during and after the workout.

Extreme Endurance Challenge Workouts

You will find workouts for a variety of training styles to complete below. Feel free to come up with your own workout - try to create something repeatable that induces lactic acid and is measurable.

Don't take our word for it

OVER 1,000+ REVIEWS FROM ATHLETES LIKE YOU

James S.

"I love it. In just a short amount of time I am noticing that my recovery is so much quicker. Definitely recommend!!"

Molly J.

"Soreness gets better and better every day! Loving this and am a believer".

Lucretia S.

"Love this product. It's one you'll love and reorder! It really makes a difference".

Ericka C.

I feel this product is effective in helping me exceed in training and in races.

Ericka C.

I feel this product is effective in helping me exceed in training and in races.

Trusted by world-class athletes since 2008

Certified by Informed-Sport*

Supported by rigorous scientific research

Reduce Lactic ACID

Extreme Endurance is proven to reduce lactic acid is the body which causes muscle soreness, increase anaerobic threshold, in other words, improve stamina, and reduce oxidative stress caused by free radical damage. Oxidative stress is the leading cause of many degenerative diseases, such as heart disease. we are exposed to oxidative stress from air pollution, environmental changes, stress, and even working out! Oxidative stress simply put - ages all of us!

The Gold Standard

Find out more about all of our studies which include 2 published, Gold Standard, double-blind, placebo controlled clinical studies.

The Extreme Endurance proprietary formula has a blend of essential, natural ingredients including: Papain which is a protease enzyme derived from Papaya, a powerful anti-inflammatory that helps repair and rebuild muscle tissue while relieving muscle soreness. Catechins are added and are one of the most powerful antioxidants to help fight oxidative stress. Electrolytes complete this revolutionary formula to assist with the ability to quickly rehydrate, recover, & restore balance and maintain the competitive edge.*

Your Questions Answered