
The Science
What's in the can, why it's dosed the way it is, and what each mineral is actually doing.
The formula
The hydrator
500mg in every can
The primary driver that pulls water into your bloodstream and holds it there, especially when you're sweating or under physical stress. It's also the mineral you lose most of in sweat, and the one most drinks under-dose.
The journal
Longer reads on hydration, sodium and the decisions behind the formula.
HeatHydration in the heat: what changes when it's 32 degrees
1 min read
HydrationHow to read an electrolyte label
1 min read
FormulaStill, not sparkling: why KURO isn't carbonated
1 min read
FormulaWhy there's sugar in KURO
1 min read
SodiumHow much sodium do you actually lose in a session?
1 min read
HydrationWhy sodium comes first in an electrolyte drink
1 min read

Sodium-forward, balanced with potassium, magnesium and calcium. Printed on the back of the can so you can check it yourself.