Huberman Lab

Essentials: Using Salt to Optimize Mental & Physical Performance

March 26, 2026·38 min·2-min readsoloscience
Podzilla Summary (2 min)
TLDR
Salt (sodium) is essential for fluid balance, neuron function, and overall health, but optimal intake varies by individual based on blood pressure, activity level, and diet; both too much and too little can impair physical and cognitive performance.


THESIS

The brain, particularly t

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Mentions

Books, people, and resources mentioned in this episode.

People

Andrew HubermanAndy GalpinZucker Lab

Books

The Salt Fixby James DiNicolantonio

Companies

Function

Products & Tools

Galpin equationElement

Topics

BiologyFitnessMental HealthNeuroscienceNutritionScientific MethodSelf Improvement

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