The Evolution: From Private Diagnostic Labs to Public Arenas For years, the longevity narrative belonged almost exclusively to clinical diagnostics, pharmaceutical interventions, and quiet metabolic retreats. Millions were poured into measuring VO_2 max, muscle mass retention, and baseline cardiovascular health inside private labs. Then came Hyrox—and brought the diagnostics out of the clinic and into the arena.

L Catterton, the private equity fund backed by LVMH and Groupe Arnault, has invested up to US$5 million in WTHN, the New York-based brand that modernises Traditional Chinese Medicine (TCM) through a clean, design-led luxury model.