Optimizing Hormones for APOE4 Brain Health: Vitamin D, HRT, Testosterone & Thyroid

APOE4: Beat the Odds · Oct 5, 2026 · 25m

Originally published on YouTube on 18 June 2026.

Original video: https://www.youtube.com/watch?v=JEZMcgyEm68

Vitamin D, estrogen, testosterone and thyroid hormones shape how the brain and body age. In this conversation with Dr. Grant Fraser, we discuss what to test, the difference between total and free testosterone, HRT timing and dosing, thyroid symptoms and how to avoid overtesting or overshooting treatment targets.

RESOURCES

Apply to join Phoenix: https://apoe4.link/Hormones

APOE4 Woman's Guide: https://apoe4.link/HormonesG

Weekly Newsletter: https://apoe4.link/HormonesN

APOE4 Blood Work…