Zach Bitter is a world and American record-holding endurance athlete with three National Champion wins and three Team USA World 100km wins under his belt.

And his next 100+ mile race is just a few months away.

To say he's an amazing human is an understatement.

But how does he do it?

You'll find out when you tune into this episode.

Dr. Anthony Gustin and Zach Bitter dive into how he does it plus how Zach used to fuel with a high-carb diet, why he switched, what he does now, and the results he's seen since doing so.

You'll also hear more about what it takes to keep your mind going through an ultra long race and what Zach uses for fuel during one.

For those that don't know Zach, on top of everything mentioned earlier, Zach is also a coach and public speaker with over 50k social media followers.

He's made it his mission to find his limitations and help others find theirs.

By tuning in, you'll see what it really takes to fuel your body and mind through an ultra run.

Check out the episode now!