Welcome to the Tweede Adem Journal — a performance and longevity blog dedicated to cyclists who believe endurance improves with age.

At Tweede Adem, we explore the science and strategy behind cycling performance, endurance training, recovery, and longevity-focused nutrition. Our articles break down the latest research on cycling supplements, mitochondrial health, VO₂ max, endurance fueling, and recovery protocols designed for serious amateur cyclists and masters athletes.

Inside the journal you’ll find insights on Zwift racing strategy, endurance training plans, high-intensity interval training (HIIT), recovery optimisation, and supplement protocols for cyclists including beetroot nitrates, CoQ10, NAC, and evidence-based performance nutrition.

We also cover professional cycling analysis, race tactics, and lessons from the biggest races in the sport, from the cobbled suffering of Paris–Roubaix to the brutal climbs of Tour of Flanders.

Whether you're chasing your first Zwift podium, building endurance after 35, or looking for longevity strategies to keep riding strong for decades, the Tweede Adem blog delivers practical advice grounded in both science and real-world cycling experience.

Ride longer. Recover faster. Find your second wind.

Endurance training, cycling supplements, Zwift racing tips, and longevity strategies for cyclists. Discover the science behind performance at Tweede Adem.