Max (Maxime) Guerois
Just a builder, passionate about health and longevity.
I'm Max. I'm 29, and my biological age is 19. I previously founded Lucis, Europe's most comprehensive preventive health platform, and grew it from 0 to seven-figure revenue. Now I'm building the most measured version of myself. This site is the protocol.
01 / Newsletter
I run health experiments and publish my progress and findings publicly. Twice a month, in your inbox.
Why I stopped retatrutide after two weeks.
Peptides and hair: what the science can actually support.
I microdosed the strongest weight-loss drug in the world. Here's the honest version.
02 / Work
Lucis Co-founder
Preventive health startup backed by General Catalyst and Y Combinator. Helped build the brand, positioning, and early traction across Europe.
Zero Club Founder
50K+ members across 20+ countries — Europe's longevity community. Built to find the people obsessed with health optimization. It grew so fast it became Lucis.
The Arch Founder
Where Web3 founders, operators & talent found each other — across 20+ countries. Proved I could build community at scale. Then I realized health was the community I actually wanted to build.
Practup Founder
Fitness app to sync your health data and find workout buddies — 50k+ users in France. My first instinct that health & community belonged together.
03 / Press
Ask AI about Max Guerois
Dig into my health protocol, founder story, or longevity obsession.
Grok
04 / Say hi