778: The Fatigue Problem No One Is Solving for Women Over 40 (And The Labs I Order First)

Energized with Dr. Mariza · Oct 1, 2026 · 35m

You’re exhausted by 2 or 3 PM. Your workouts suddenly wipe you out. Your hair is shedding, your brain feels foggy, and even climbing a flight of stairs leaves you more winded than it used to.

Then you finally ask for help and hear: “Your labs are normal.”

In this solo episode, Dr. Mariza breaks down one of the most commonly missed contributors to persistent fatigue in women: iron deficiency, even before anemia develops. She explains newly released American Society of Hematology ferritin thresholds and why women who were previously told their iron was “normal” may deserve a closer look.

But…