Whalespan
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Bryan Johnson's biomarker assessment includes a comprehensive hormonal panel: TSH, Free T4, Testosterone, DHT, 5α-DHT, Prolactin, Estradiol, LH, FSH, Estrone (E1), Estriol (E3), Androstenedione, Androsterone, 5β-Androstanediol, Etiocholanolone, Cortisol, Cortisone, DHEA, DHEA-S, Pregnenolone, IGF-1, and Melatonin (6-hydroxymelatonin sulfate). — Whalespan