By Health Goal
Show moreEnergy & Vitality
Mental Clarity & Focus
Sleep & Recovery
Stress & Mood
By Body System
Show moreBrain & Cognitive
Heart & Circulation
Digestive System
Immune System
Latest Articles
More articles
Best For

Supplement Guide
Supplement Guide Promising evidence
Magnesium
On a summer day in 1618, a farmer in Epsom, England led his cows to a spring. They refused to drink—too bitter. But when he splashed the water on a rash, it...

Best For

Supplement Guide
Supplement Guide Robust evidence
Creatine
A French chemist boiled beef in the 1830s and pulled out a crystal he named after κρέας—meat. Nearly two centuries later, the same molecule is helping...

Best For

Synergy
Synergy Promising evidence
Strong Bones, Safe Arteries: The Traffic Cop
Some orchestrated logic, mixed evidence: D+Calcium helps modestly; adding K2 improves calcium "traffic control," but human bone benefits beyond D+Calcium are...
