Consistency is the key.
Most fitness apps help you track workouts. This one helps you build the demanding habit of actually showing up—week after week, even when work explodes or life interrupts.
The Mission
Most fitness advice optimizes you for your twenties and is way too specialized. The focus is on aesthetics or monoculture performance, not on a broad foundation and the quality of your years ahead.
But to thrive after your thirties, you need a strategy. Longevity training demands a different approach—one that combines strength work and cardiovascular training.
A systematic approach for progress tracking, focused on your quality of life.
This is not a casual fitness app. It is a protocol for committed health and longevity-oriented fitness enthusiasts, backed by longevity research and proven in studies around the globe.
The Improvement you'll gain
- More muscle strength
- + 10 %
- Years of life gained
- + 1 – 3
- Improved sleep quality
- 10 %
- Increased bone density
- + 2 %
The protocol
Built on science. Designed for people.
Stop following surface-level monoculture fitness programs. Prioritize healthspan and stop chasing shortcuts.
5-6 hours weekly. Measurable outcomes. Years of life to gain. Building a body engineered for decades, not seasons.
Science
Research-Backed Protocols That Work
Longevity demands hybrid training. The25Percent integrates strength and cardiovascular modalities based on peer-reviewed consensus—not trends. Every protocol targets the biomarkers proven to extend healthspan: VO2Max, metabolic resilience, functional capacity.
Focus
Train What Actually Extends Healthspan
The25Percent focuses on the pillars backed by global research to extend healthy years. Zone 2 cardio, VO2Max intervals, functional strength, and accessoiry work. Every minute moves the longevity needle.
Momentum
It's about Real Life, Not Perfection
Complete 80% of your weekly volume and stay on track. Miss a day? Adapt—not restart. This is flexibility within structure. Built for adherence over decades, not short-term transformations. It's about real life, not perfection.
Research & Insights
Latest Articles
Dive deep into the science of extending healthspan. Explore VO2Max development, hybrid training design, and metabolic optimization.


FAQ
Any questions?
Get it—committing to a new training protocol is a big decision. Below are the most common questions.