Health optimization
Practical, step-by-step guides to improving a specific area of your health. Research updates live in the separate Research section.
Guides
Health optimization guides
Actionable topics where habits, foods or supplements can make a meaningful difference.
Sleep
The food & supplements that actually help you sleep
Read the guide →Heart & cholesterol
Lower your LDL without the panic
Read the guide →Gut health
Probiotics, prebiotics and the microbiome without the hype
Read the guide →Stress, recovery & the nervous system
The gut–brain axis, HRV and what "vagal tone" hacks can’t do
Read the guide →