Bryan Johnson· Author
Hormonal + Thyroid panel with TSH + Free T4 + Testosterone + Dihydrotestosterone (DHT) + 5α-DHT + Prolactin + Estradiol + LH + FSH + Estrone (E1) + Estriol (E3) + Androstenedione + Androsterone + 5β-Androstanediol + Etiocholanolone + Cortisol + Cortisone + DHEA + DHEA-S + Pregnenolone + IGF-1 + Melatonin (6-hydroxymelatonin sulfate)