Use water plus electrolytes—especially sodium, with potassium and magnesium when available—when rehydrating after waking, after caffeine, or around exercise and heavy sweating. A small pinch of salt in water or an electrolyte-containing drink can help replace losses, support hydration, and improve nerve-to-muscle function and physical performance.
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“It took a morning to know if I drank some electrolytes at what I would have thought would be excessive level, that by two hours later, I would be fine. Now, of course, there's the possibility of a placebo effect here, but two hours later, I was fine.”
Andrew Huberman · Using AI to Increase Your Intelligence & Enrich Humanity | Dr. Fei-Fei Li · Aug 10, 2026 · 1:04:13 · YouTube ↗