Every entry.
All 69 Vital Codex entries, newest first. Tier I is free and open to everyone; Tier II adds the full mechanisms, dosing detail, and citations.
Heart Rate Variability: Reading the Autonomic Signal
HRV is the most useful daily biomarker most people own and the easiest one to misread. The trend is the signal; the single morning number is mostly noise.
The Omega-3 Index: A Biomarker Worth Measuring
Fish oil intake tells you almost nothing. Red blood cell membrane composition tells you where you actually stand — and it is one of the strongest mortality predictors in the lipid space.
Rethinking Blood Pressure: Beyond the Single Number
A cuff reading is a snapshot of a dynamic system. The pattern across time, and the pressure inside the artery wall, carry more information than any single value.
ApoB, Not LDL: Rewriting the Cardiovascular Risk Model
Why particle count outperforms cholesterol concentration for predicting atherosclerosis — and how to read your own results.