Dr. Josh Axe spent two years exhausted before an advanced blood panel revealed the real problem: his vitamin B2 was almost undetectable, and his mitochondria were badly depleted. Once he corrected it, his energy went from a 6 out of 10 to a 10 out of 10. The fix wasn't a stimulant or a gadget, it was testing inside the cell (RBC markers, not just serum) instead of trusting "normal" bloodwork. If rest isn't fixing your fatigue, this is the episode that tells you where actually to look. As always, this is general wellness education and not medical advice, so run your own testing and dosing with your clinician.