Dr. Frederik Dierick
Medical Doctor, KU Leuven
- Family medicine
- Sports medicine
- Longevity medicine

Your trajectory to longevity.A premium 12-month longevity trajectory combining advanced diagnostics, personalized protocols, medical guidance, accountability, and community.
01 / The Concept
Healthiest is proactive longevity. A system designed for ambitious people who want to perform at their peak, for decades.
Every participant follows a personalized trajectory that evolves every 90 days based on new data, results, and life context.
Built on validated biomarkers and the latest longevity science.
Designed around your biology, lifestyle, and ambitions.
Quarterly diagnostics that track real, compounding progress.
Protocols that fit a demanding life, not the other way around.

02 / Day One
Your year begins with a premium intake event. Meet your cohort and medical team, hear from inspiring speakers, enjoy a curated lunch, and complete the diagnostics that map your starting point. This is the first day of the rest of your healthiest life, not a single check-up to forget about tomorrow.
100+ biomarkers across metabolism, hormones, and inflammation.
Genetic baseline for personalized prevention.
Cardiorespiratory fitness, the strongest predictor of longevity.
Body composition, visceral fat, and bone density.
Epigenetic markers measuring how your body is truly aging.
Two weeks of CGM to map how your body responds in real life.
Stress, sleep, cognition, and resilience baseline.
A simple, powerful indicator of healthspan.
Neuromuscular control and fall-risk profiling.
Explosive lower-body strength and reactive capacity.
03 / Personalized Protocols
We focus on the 20% of effort that drives 80% of results. Your plan evolves as you do, synced with your wearables and refined every quarter.
Choose your focus
Together with your longevity doctor, we shape the perfect protocol for what matters most to you right now. One or more focuses, designed around your goals.
Focus: Restoring cellular energy production and metabolic flexibility.
Why it is for you: You want to maximize your daily thriving by optimizing what is possible using science. This protocol enhances your physical output and systemic resilience.
Focus: Aligning your internal biological clock with your lifestyle.
Why it is for you: You struggle with rest or daytime fatigue and want to protect your brain from age-related decline. We use chronobiological strategies and melatonin regulation to restore deep, restorative sleep cycles.
Focus: Strengthening the brain against psychological and biological stress.
Why it is for you: You seek emotional stability and cognitive sharpness in a demanding environment. This trajectory focuses on neurogenesis and BDNF activation to build a brain that recovers quickly from adversity.
Focus: Reversing metabolic disarray and visceral fat accumulation.
Why it is for you: You want to shed fat while preserving vital lean muscle mass. We combine caloric restriction mimetics and intermittent fasting with targeted peptide guidance (such as GLP-1 analogues used responsibly under medical supervision) to improve insulin sensitivity, curb appetite, and activate metabolically active brown fat.
Focus: Building the foundation for physical autonomy at any age.
Why it is for you: You want to maintain strength and bone density as you age. By targeting the right pathways, we optimize muscle protein synthesis and functional performance.
Focus: Balancing master chemical messengers for peak physiological function.
Why it is for you: You want to address the natural decline in your hormones (DHEA, growth hormone, or sex steroids). We design personalized protocols to restore your balance. For men reaching andropause, and women reaching (peri)menopause.
Focus: High impact biological interventions designed for maximum efficiency.
Why it is for you: You have a high pressure career and need your health protocols to be very time effective. We utilize targeted strategies, interventions and therapies to activate your internal health systems with minimal invested time.
Focus: Collaborative healthspan optimization for partners sharing an environment.
Why it is for you: You and your partner want to sync your health journeys to ensure a long life together. We integrate social connectivity with aligned metabolic and circadian optimization for a unified longevity trajectory.
Focus: Preserving reproductive health and cellular quality.
Why it is for you: You want to optimize your reproductive axis and protect oocyte or sperm quality against biological aging.
Focus: Rejuvenating your aesthetic appearance through systemic cellular repair and metabolic optimization.
Why it is for you: You recognize that your skin is a mirror of your internal health and want to address structural aging at the source. This trajectory targets collagen degradation while leveraging the gut-skin axis to restore your natural glow from the inside out.
04 / A Year in Motion
Every 90 days, a deep review with your medical team.
Your trajectory is refined as new data arrives.
Live sessions with your cohort and a guest expert.
Daily access to peers and the Healthiest team.
Continuous, contextual data, never just snapshots.
Targeted labs added throughout the year as needed.
A premium intervention selected for your profile.
The Healthiest e-book, distilled for high performers.
End-of-year celebration with your cohort and faculty.
05 / Community
Twenty ambitious peers. One year. A rare circle of operators, founders, and leaders who choose to invest in their next decades, together.
Our referral program rewards transformation in pairs. When you join the program together, we split a €200 discount between you.

06 / The Team
A medical and psychological team built around one belief: prevention, consistency, and meaning are the real medicine.
Medical Doctor, KU Leuven
Clinical Psychology, KU Leuven
Medical Doctor, KU Leuven Spa Francorchamps Medical Team
Begin
Healthiest helps you build a longer, stronger, healthier life, with guidance every step of the way. The next cohort starts in September.