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Huberman LabEssentialsMar 26, 2026

Essentials: Using Salt to Optimize Mental & Physical Performance

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In this Huberman Lab Essentials episode, I explain how salt (sodium) affects mental and physical performance, as well as cellular health. I describe how the brain monitors sodium levels to regulate thirst and fluid balance, and why salt needs can vary depending on activity level, stress, blood pressure, and diet. I also explain how to determine the right sodium intake for your individual needs and discuss why some people may benefit from increasing salt and other electrolytes. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Function: https://functionhealth.com/huberman LMNT: https://drinklmnt.com/huberman Timestamps (00:00:00) Salt (00:00:37) Brain & Monitoring Salt (00:02:33) Thirst, Osmotic Thirst & Salt (00:05:35) Hypovolemic Thirst & Blood Pressure (00:06:59)
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  • In this Huberman Lab Essentials episode, I explain how salt (sodium) affects mental and physical performance, as well as cellular health. I describe how the brain monito…
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