Prove It To Me. Extreme Endurance Challenge At CrossFit Defined

on November 13, 2017

The best supplements in the world, proven daily.To show athletes the performance and recovery benefits of using Extreme Endurance we are hosting the Extreme Endurance Challenge at select gyms.

The Test: 4x60 seconds max effort row with 2 min recovery between efforts. Record Meters covered after each 60 second interval.

After the first test athletes will be given a one week trial pack of Extreme Endurance. The athletes will take 3 tablets in the morning and 3 tablets in the early afternoon. They will then test again the following week.

This video showcases the first test. The Video was shot at CrossFit Defined featuring Xendurance Sales Representative Mike Behrens

If you would like us to swing by your gym drop us a comment below or email us at