Clinically Proven
For nearly two decades, 14 clinical and open label studiesโincluding two Gold Standard, double-blind, placebo-controlled, published trialsโhave proven Extreme Endurance delivers powerful results. These trials reveal less soreness, enhanced stamina, and quicker recovery. In just 10 days, one study showed a stunning 39% re
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Took for two weeks, after 3-4 months of not running, finally went on a 2 mile run that turned into a 4 mile, and it was at a solid 8 minute per mile pace
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Alex ยท 4 days ago
Something is happening
Look, I donโt know if it is working, or if any gains are due to my training increase. Hard to tell since running is a sport where the more you do it, the more you adapt to it. Iโm not faster, but I did run longer than expected recently with a shorter break.
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Sam ยท October 27, 2026
Still going through it. It's been 2 weeks but I also just ran my worst marathon ever and im still hurting so can't compare before or after. I am taking it every day. I will update as soon as I can.