sodium
An essential electrolyte that is important to ingest during fasting for proper neuronal function.
Videos Mentioning sodium

Andrew Huberman: Sleep, Dreams, Creativity, Fasting, and Neuroplasticity | Lex Fridman Podcast #164
Lex Fridman
An essential electrolyte for nerve cell function; often found in bone broth and important for hydration and preventing shakiness during fasting.

Results from Peter's 3 week "nothingburger" (1 week keto—1 week fast—1 week keto) (AMA #2)
Peter Attia MD
Mentioned as being wasted by the body during ketosis, leading to potential cramping and lightheadedness if not supplemented.

Focus Toolkit: Tools to Improve Your Focus & Concentration
Andrew Huberman
An electrolyte found in LMNT crucial for nerve cell action potentials; many people, especially those on low-carb or clean diets, may not get enough.

How to Enhance Your Gut Microbiome for Brain & Overall Health
Andrew Huberman
An electrolyte, a key component of LMNT, essential for blood volume, nerve cell function, and muscle function, particularly for those who sweat a lot.

Healthy Eating & Eating Disorders - Anorexia, Bulimia, Binging | Huberman Lab Essentials
Andrew Huberman
An essential electrolyte that is important to ingest during fasting for proper neuronal function.