Brain Energy: A Revolutionary Breakthrough in Understanding Mental Health—and Improving Treatment for Anxiety, Depression, OCD, PTSD, and More

by Christopher M. Palmer

This ADP can’t supply much energy anymore, but if a phosphate group is added back to it, it’s as good as new. That’s what mitochondria do. They take ADP and turn it back into ATP by attaching a phosphate group, then transfer it out to the cell cytoplasm where it is needed.