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Chloride, or chloride ion (Cl-), belongs to a group called electrolytes, which also includes sodium and potassium . Chloride has a number of functions in the human body, and acts in interaction with other electrolytes, among other things, for the body's cells to function normally and in regulating the body's fluid and salt balance. Together with hydrogen, chloride forms the stomach's stomach acid (hydrogen chloride), which is important for digestion and defense against bacteria and other microorganisms. Chloride is found in most foods, mostly in common table salt such as sodium chloride, and the body regulates the levels of chloride in the blood on its own.
Chloride is one of the substances needed for a normal fluid balance and usually occurs in the form of salts and is useful, among other things, when assessing the body's salt and fluid balance.
Slightly deviating chloride values can also appear as a so-called normal variant. The reference interval includes 95% of a healthy experimental group. This means that 5% of healthy individuals end up outside the reference range without it being linked to illness. This is called a normal variant. If you take a blood sample with many blood markers, it is completely normal to be outside the reference range for one or more blood markers even though you are completely healthy.
