Blood Work, Reimagined: The Lucis Approach to Everyday Health

In a continent where 85% of deaths stem from preventable chronic diseases, a revolution in healthcare was long overdue. Lucis, a Paris-based startup founded in 2025, is stepping into this void with a transformative mission: to democratize access to preventive care through data-rich, personalized blood test insights. Often described as the “Function Health for Europe,” Lucis leverages artificial intelligence and medical expertise to offer affordable, proactive health tracking for the many, not just the privileged few.

Why Did Europe Need a New Approach to Health Monitoring?

Europe’s healthcare systems are among the most developed in the world, yet they largely remain reactive. Care typically begins after symptoms appear, long after preventive intervention could have made a difference. Meanwhile, those who seek preventive services often find themselves turning to exclusive longevity clinics, which can charge over €50,000 annually. This creates a stark healthcare divide between the few who can afford proactive care and the many left in the dark.

Lucis is challenging that status quo. By transforming basic blood tests into deeply personalized, easy-to-understand health insights, the company enables individuals to detect potential health risks early, track their health progress over time, and receive concrete recommendations—all for a fraction of the traditional cost.

What Makes Lucis Different from Traditional Checkups?

Standard medical checkups can feel vague or uninformative. Patients are often handed indecipherable lab reports without context or direction. Lucis takes a completely different approach.

Instead of generic results, users receive:

15 health scores, including metabolic health, cardiovascular risk, and biological age.
Two comprehensive blood test check-ups per year, tracking improvements and changes over time.
A personalized action plan, touching on nutrition, movement, and sleep.
Access to advanced longevity testing, such as microbiome analysis, glucose monitoring, and food sensitivity diagnostics.

The platform aims to answer deeply personal questions like:

“Am I aging faster than I should?”
“Is my testosterone level optimal for my lifestyle?”
“How can I improve my marathon time or boost recovery?”

Lucis is more than a test—it’s a holistic health navigator.

Who Are the Founders Behind Lucis, and What Drives Them?

Lucis is powered by a trio of passionate founders: Max Berthelot, Baptiste Debever, and Max Guerois. Each brings a deeply personal motivation and unique expertise to the venture.

Baptiste, Lucis’ CTO and a repeat founder, lost a loved one to a condition that could’ve been identified with earlier screening. His engineering background and personal tragedy fuel his drive to build tech that saves lives.
Max B., the CEO, spent a decade experimenting with biohacking. From supplements to sleep trackers, he was always in search of clarity about his health.
Max G., the third co-founder, transformed his own well-being through meticulous health tracking at the age of 27. His personal improvements across biomarkers underscored how powerful self-awareness could be in transforming lives.

Together, they envisioned Lucis as the product they each wished they’d had—and now they’re bringing it to Europe at scale.

How Has Lucis Grown Since Its Launch?

The traction Lucis has achieved in just four months is nothing short of remarkable. The startup has already:

Generated $400K in annual recurring revenue (ARR).
Opened 30+ lab locations across France.
Expanded to Lisbon and London, with plans to enter four more countries soon.
Built a community of 30,000+ longevity-minded users across Europe.
Helped 500+ individuals in Paris proactively manage their health.
Attracted 10 AI startups to offer Lucis as a health benefit to employees.

This isn’t just early momentum—it’s a validation of Lucis’ scalable, high-impact business model and its resonance with consumers hungry for better health tools.

How Does AI Play a Role in the Lucis Experience?

At the heart of Lucis is an AI-driven system that simplifies complex biological data. Most people struggle to interpret biomarkers like HDL, CRP, or HbA1c. Lucis’ AI breaks this data down into practical insights that non-experts can understand and act on.

Beyond simple data translation, the AI engine offers:

Trend detection over time
Health optimization suggestions tailored to the user’s age, lifestyle, and goals
Integration with advanced diagnostics for broader biological context
Personalized check-in prompts to nudge users toward better habits

As users engage with Lucis more regularly, the platform becomes increasingly tailored, much like a health-conscious assistant that evolves with the individual.

What Is the Broader Vision Behind Lucis?

Lucis is not just building an app—it’s building an entirely new healthcare infrastructure, one that lives quietly in users’ pockets and continuously supports them in achieving longer, healthier lives.

The founders refer to Lucis as “the intelligence layer for your health.” Blood testing is just the beginning. The long-term vision is to integrate multiple data inputs—from wearables and microbiome analysis to continuous glucose monitoring—creating a centralized health platform that delivers round-the-clock clarity and guidance.

This vision isn’t about replacing doctors; it’s about making proactive care available before patients even think they need it. And that vision is already taking shape across European cities.

Why Is Lucis Poised to Become a Continental Leader in Health Tech?

Lucis’ rapid growth is grounded in several strategic strengths:

Localization: With a base in Paris and immediate expansion into Lisbon and London, the team demonstrates strong localization strategies for diverse European healthcare landscapes.
Partnerships: Collaborations with top lab networks in France ensure accurate, scalable testing.
Affordability: By slashing costs traditionally associated with preventive care, Lucis broadens access across income levels.
Health Influencer Network: Strategic engagement with thought leaders and wellness advocates spreads awareness and builds trust.
Product-Led Growth: The product speaks for itself—users who try it, stay.

With healthcare shifting globally toward personalized, data-driven, preventive models, Lucis is perfectly positioned to lead the European charge.

How Is Lucis Changing Lives Today?

The 500+ early adopters in Paris aren’t just customers—they’re pioneers. Many report peace of mind, reduced anxiety about their health, and empowered lifestyle changes. Whether it’s discovering a nutrient deficiency or recognizing early markers of cardiovascular risk, users are getting ahead of issues that might’ve remained hidden for years.

Furthermore, by partnering with startups to offer Lucis as a health benefit, the company is reshaping employee wellness, turning companies into ambassadors for longevity.

What’s Next for Lucis?

The roadmap is bold: from expanding into four new countries in the coming months to integrating more health data streams and continuing to refine its AI engine.

Ultimately, Lucis is building a future where healthcare is no longer episodic but continuous, predictive, and personalized. It’s a future in which knowing your biological age is as normal as knowing your birthday, and staying ahead of disease becomes part of everyday life, not a luxury for the rich.

Lucis wants every European to live 100 healthy years—and with its current momentum, that future doesn’t feel far off.