Learn how and why to recruit your fast-twitch muscle fibers to stimulate the release of human growth hormone. You’ll hear how to achieve maximum benefits by following the protocols from Phil Campbell, the creator of the Sprint 8® program.


Phil Campbell

“Sprint 8 is a tried and true workout that can rapidly and radically change your body for the better. It’s simple. It’s effective. And you’re going to love what it does to your body.”