Felicitas Köstler

Speaking appearances

• Inside BIOMES: How Your Gut Microbiome Shapes Health and Longevity 2026-07-08 — Wildau
• The Before and After of Longevity — Real Protocols, Real Results 2026-05-05
• Easy Run with Bas Kast — Slowager Runner's Club Berlin 2026-04-26 — Berlin