Sodium & Salt
Sodium is essential, but essential does not mean unlimited. Salt intake needs context: your foods, sweating, health, medication and any advice you have already received.
Sodium, salt and fluid balance
Sodium supports fluid balance, nerve signaling and muscle function. Table salt is sodium chloride: roughly 40% of its weight is sodium. One gram of salt therefore supplies about 400 mg of sodium.
A label listing sodium is not listing the same weight as salt. Check which measure a product or article uses before comparing numbers.
The low-carbohydrate context
Early carbohydrate restriction can increase sodium and water loss. This is one reason salt is discussed frequently in lower-carbohydrate communities. It does not establish that every carnivore eater needs to increase salt indefinitely.
Sweat losses, food choices and medications change the picture. A sedentary person eating cured meats and cheese has a different starting point from someone eating mostly unsalted fresh meat and training in hot weather.
Where sodium comes from
- Salt added during cooking or at the table.
- Bacon, sausages, cured meats and some smoked fish.
- Cheese, packaged broth and seasonings with added salt.
- Smaller naturally occurring amounts in fresh animal foods.
Read serving sizes as well as the sodium figure. A large portion or several servings can change the total. Sea salt and specialty salts still supply sodium; their trace minerals do not make them a complete electrolyte source.
Avoid a universal grams-per-day rule
WHO recommends adults limit sodium to less than 2,000 mg daily, equivalent to less than 5 g of salt. This is population guidance, not a personalized replacement plan for heavy sweating or a prescription for a medical condition.
Carnivore eating is not a reason to disregard blood pressure or a clinician’s sodium advice. Do not automatically follow high-salt protocols because they worked for another person.
Think about hydration as a relationship
Water and sodium balance work together. Drinking very large amounts of plain water or repeatedly adding salt is not a reliable way to solve unexplained symptoms. Thirst, your usual meals and the conditions around you are useful starting observations.
If dizziness or cramps persist, seek an assessment rather than escalating salt. Kidney or heart disease, high blood pressure and medicines affecting fluid balance make individualized advice especially important.
Sources & further reading
- WHO: healthy diet — sodium, fats and dietary variety
- Frontiers in Nutrition: symptoms during ketogenic diet initiation (2025 review)
These sources inform the nutrition context. They do not endorse carnivore eating or Carnivor.