Hyponatremia – identifying and addressing sodium insufficiency in the body: symptoms, underlying causes, and evidence-based repletion methods
Alicja Kowalska
2026-05-19
3 min. read
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Although sodium—primarily as sodium chloride—is ubiquitously added to processed foods such as canned goods, ready meals, baked products, and deli meats, its excessive intake is often criticized. Nevertheless, certain clinical scenarios exist where the body requires heightened supplementation of this electrolyte. This article elucidates the nature of sodium deficiency (hyponatremia), the warning signals the body may emit, which demographic groups are at heightened risk, and how to safely and effectively replete its levels while mitigating potential complications.
I'm running out of sodium
Sodium is the main cation of the intercellular space. Of course, 15% of its resources are stored in the bones. The main way to regulate them is to maintain acid-base balance or protect against excessive water loss. It can also be attributed to the function of maintaining muscle and nerve function, as well as regulating the transport of nutrients. It is estimated that 15% of the body's resources is stored within bones.
Sodium deficiency is a symptom
Sodium deficiency is extremely rare today. It is mainly caused by the addition of this element, and actually the product made from it salt, to virtually every food/ready-made product. Most of us use this spice in excess.
How can you make up for the lack of sodium in your body?
The need for sodium is extremely easy to satisfy through the use of a balanced and rational diet. Remember that this ingredient is usually added to most foods or foods. The products in which this element is present are readily available and often selected. It is worth consuming baked goods, cottage cheese, meats and canned meats, as well as salted or smoked fish and, of course, cooking salt.
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