<p>Journey inside the beautifully insane mind of <em>Kingdom&rsquo;s</em>&nbsp;Jonathan Tucker, whose commitment to working his ass off in the gym transformed him into TV&#39;s fittest actor.</p>

- Shawn Donnelly

A lot of succesfull people are also a little crazy. Actor Jonathan Tucker epitomises this combo as he found crazy success by having the remarkable ability to transform his body into whatever role hollywood throws at him. Through extensive training Tucker, an Irish - Catholic Romanian Jew, has morphed into a lean, mean super-shredded acting machine.

Tucker starts our conversation raving about Bulletproof Coffee- a frothy mix of coffee, grass-fed unsalted butter, and triglyceride oil- and how it has changed his life. 

"I've learned I need it," says Tucker. "I couldn't have gotten through the past two years without it. It gives you so much energy to go to the gym in the morning. It gives you such a great mental clarity, and then it cuts the hunger for an extended period of time. The idea that your body needs this good, healthy fat has been a huge change for me.”

This high-octane coffee is one of many things that Tucker says he needs to look, feel, and perform at his best. It’s all about maxing out with Tucker, who aims to push himself further into what he calls the “Red Zone,” an area of discomfort and pain—the place where most people throw in the towel.

“It sounds very meat headish,” he admits, “but if you find the spiritual and mental ways in which to break through barriers in t