Hormone Health
Hormones, Explained: What Testosterone, Estrogen and Thyroid Actually Do to Performance
Testosterone, estrogen, thyroid and cortisol are the most marketed and least understood markers in health optimization. A hard, evidence-anchored look at what they do — and what treating them can and cannot deliver.
Jarrod Manfro, MBA, CNC, CPT · August 17, 2026 · 13 min read