The Kōjō Journal

green leaves

Magnesium glycinate vs. oxide: why form matters more than dose

A wooden spoon with some food on it

Ashwagandha: separating the evidence from the marketing

Books on shelves, layered with an artistic effect.

The Rōnin mindset: why we called the brand Kōjō

woman in green dress taking picture in the woods

Sleep, cortisol, and why you're wired at 11pm: the physiology of stress-disrupted sleep