Evidence-based · No fluff
Optimize your biology.
Live longer. Think clearer.
Applying systems engineering to sleep optimization, supplementation, and cognitive performance. Every article is backed by peer-reviewed research — not wellness trends.
Start here: fundamentals →The three pillars
Sleep optimization
Temperature, light, timing and tracking protocols
Supplementation
What the trials actually show — and what to skip
Cognitive performance
Focus, memory and long-term brain health
Featured analysis
Magnesium Glycinate vs. Threonate: which one crosses the blood-brain barrier?
A systems-level breakdown of bioavailability, absorption kinetics, and evidence across 8 randomized trials. The most-read article on LongevityStack.
Read the analysis →8
RCT sources
12'
Read time
2026
Updated
Not sure where to start? Start with the fundamentals →
Latest articles
Supplements
Best Magnesium for Sleep: The Evidence-Based Guide (2026)
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Sleep
Best Temperature for Sleep: Why 18°C (64°F) Improves Deep Sleep
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Supplements
Magnesium Glycinate vs Threonate: Which Is Better for Sleep and Brain Function?
Read the full analysis →