FITNESS

Extreme Endurance: How It Works - Interview With Sandy Kellin

Sandy Kellin, owner of Xendurance explains Extreme Endurance: You hear about lactic acid. Lactic Acid is one part lactate and another part acid. Within the two, we have this hydrogen ion that is an...

Best Kept Secret in Sports Science: How to Lower Creatine Kinase (CK Levels) and Dramatically Improve Athletic Performance

Regardless of your sport or method of training, studies prove that by using Extreme Endurance, you will dramatically decrease muscle damage and trauma, along with decreased muscle soreness and...

Extreme Endurance Effects on Creatine Kinase (CK) Levels in Cross Functional Athletes, Military Warfighters and Firefighters

Rhabdomyolosis (Rhabdo) is an increasingly, alarming topic among the cross functional community, the military war fighters and firefighters. While this topic is not new to the military war fighters...