Why water alone doesn't hydrate, and what your cells actually need to hold onto it.
Learn how hydration actually works.
This is a resource, not a sales page. We'd rather you understand hydration than buy a jar. If you understand it, the jar makes sense on its own.
What electrolytes do in the body.
Heartbeat
Cardiac muscle depends on precise sodium, potassium, and calcium gradients.
Muscle contractions
Sodium and potassium regulate the action potential that triggers every contraction.
Brain signaling
Neurons rely on ion gradients. Even mild dehydration blunts attention and reaction time.
Fluid movement
Sodium determines where water goes. Water follows sodium, not the other way around.
Blood pressure
Fluid balance and vascular tone are tightly coupled to electrolyte concentrations.
Energy production
Magnesium is required for ATP, the currency your cells run on.
Topics we're writing about.
Short, honest explainers on the hydration questions we hear most. New pieces added as we publish them.
Sodium, potassium, magnesium: what each one does and why the ratio matters.
How much sodium leaves in a liter of sweat, and why heavy sweaters lose more.
Fluid, mineral, and glycogen restoration between sessions.
The role of sodium and magnesium, and the limits of the cramp story.
Pre, during, and post-training hydration for endurance, HIIT, and lifting.
Cabin air, altered routines, and quiet mineral loss.
Passive fluid and sodium losses climb sharply in warm environments.
The mild diuretic effect and what it actually means day to day.
Why reduced insulin promotes sodium excretion, and how to feel better through the transition.
How electrolytes fit into intermittent and extended fasts.
Stress, sleep, and the ordinary ways minerals leave the body.
Water follows sodium.
Sodium is the primary electrolyte in extracellular fluid. When it drops through sweat, heat, or heavy plain-water intake, the body can't retain fluid where it's needed. Cells shrink. Nerves misfire. Performance drops.
Replacing sodium in meaningful amounts allows water to reach cells, stabilize blood volume, and restore function. Potassium and magnesium complete the picture, supporting muscle, nerve, and energy metabolism.
