LONGEVITY with Nathalie Niddam#437: Unmasking Thyroid Dysfunction: How Optimizing Your Thyroid Transforms Longevity, Mood, and Metabolism With Dr. Amie HornamanT4 Is Inactive, Then What?
36:28–37:08 · 40s
Dr. Amie explains that T4 is 'totally inactive' with no receptor sites and compares it to a savings account, arguing for personalized combinations that ensure active T3 reaches cells.