Adequate sodium is essential for hydration, energy, and electrolyte balance, especially on low-carb diets.
Who is behind it
Voices including a former research biochemist, a nutritional sciences PhD and a certified nutrition and mineral coach.
How strong the research is
Well studied in published research, as well as in practice.
In their words
“sodium actually is probably the more important thing out of this than potassium or magnesium... if you don't have adequate sodium then it adding potassium and magnesium just kind of worsens the situation”
a former research biochemist
Five grams per day is a bare minimum for sodium intake on a ketogenic diet to avoid symptoms like anxiety and heart palpitations.
Adequate salt intake is necessary for proper GABA function
Without sodium, chloride, or bicarbonate, water cannot be brought across the gut lining, impairing hydration.
People with POTS are recommended to have 10 grams of sodium per day to support blood volume.
Balance adrenal function making you feel calmer.
Talk it through
Entrain shows what the experts teach, so you can make better decisions with your own clinician. It does not diagnose or prescribe. If something is worrying you, start there.
How this reading was made
Every line here comes from a doctor, scientist or coach speaking publicly, and links to the moment they said it. Entrain listens for where independent experts arrive at the same place on their own, and shows where they part ways. Well studied in published research, as well as in practice.
None of the statements here come with a declared commercial interest. Last refreshed 23 September 2026.
The research beneath it
- Associations of urinary sodium excretion with cardiovascular events in individuals with and without hypertension: a pooled analysis of data from four studies.Lancet (London, England), 2016
- Urinary sodium and potassium excretion and risk of cardiovascular events.JAMA, 2011
- Effects on blood pressure of reduced dietary sodium and the Dietary Approaches to Stop Hypertension (DASH) diet. DASH-Sodium Collaborative Research Group.The New England journal of medicine, 2001
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