The Missing “Vitamin” Necessary For Optimal Health PREVIEW by Chris Martenson This device could radically improve health and healing for literally every single person who uses it. Evie and I have one. It works. Peter Simonson explains the science which boils down to this – Impact exercise is a metabolic vitamin. The Missing “Vitamin” Necessary For Optimal Health PREVIEW by Chris Martenson This device could radically improve health and healing for literally every single person who uses it. Evie and I have one. It works. Peter Simonson explains the science which boils down to this – Impact exercise is a metabolic vitamin.