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why do we need sodium chlorine and potassium

Electrolytes are types of minerals the body requires for regulating water levels, blood acidity and muscle function. You get them from foods and supplements. The most common electrolytes are sodium, potassium and chloride; other electrolytes include calcium, magnesium and phosphorus. Electrolytes function similarly, but each has its own role that supports overall health. Electrolytes include acids, bases and salts, but every electrolyte carries a specific electric charge, making it an imbalanced ion. This imbalance is used to attract or repel other charged particles in the body on a cellular level, triggering various important functions. For instance, electrolytes maintain water levels in the bloodstream, thereby controlling blood pressure. The body also uses electrolytesв electrical charges to trigger muscle contractions and activate neural activity.

Electrolytes are lost through sweating and must be replaced through consumption to maintain healthy function. Sodium plays a critical role in maintaining charge balances in cell membranes, usually operating outside cell walls. As a positively charged ion, sodium contrasts with potassium, which is found inside cell walls, creating a gradient known as membrane potential. The balance of sodium influences the activity of membrane potential, allowing the body to control charge-driven functions like nerve impulse transmission and normal muscular activity. The amount of sodium in the body also determines the volume of extracellular fluid in circulation, making it critical for maintaining blood pressure.

Like sodium, chloride influences neural activity and muscle function, but chloride carries a negative charge rather than a positive one. Chloride is primarily found along with sodium in ordinary table salt, otherwise known as sodium chloride, and because it is in most foods, insufficient intake is rare. Chloride, in the form of hydrochloric acid, is also a major component of gastric juice, which in turn digests and absorbs essential nutrients from food. Together with sodium, potassium maintains and influences membrane potential, except it acts from within cell walls rather than from extracellular fluid. Because sodium intake is usually high in Western society, potassium requirements correspondingly increase to maintain the balance.

In addition to its effects on neural and muscular activity, potassium is important for maintaining bone health.
Sodium is the major positive ion (cation) in fluid outside of cells. The chemical notation for sodium is Na+. When combined with chloride, the resulting substance is table salt. Excess sodium (such as that obtained from dietary sources) is excreted in the urine. Sodium regulates the total amount of water in the body and the transmission of sodium into and out of individual cells also plays a role in critical body functions. Many processes in the body, especially in the brain, nervous system, and muscles, require electrical signals for communication. The movement of sodium is critical in the generation of these electrical signals.

Therefore, too much or too little sodium can cause cells to malfunction, and extremes in the blood sodium levels (too much or too little) can be fatal. Increased sodium (hypernatremia) in the blood occurs whenever there is excess sodium in relation to water. There are numerous causes of hypernatremia; these may include, too little water intake, and due to and/or. A decreased concentration of sodium (hyponatremia) occurs whenever there is a relative increase in the amount of body water relative to sodium. This happens with some diseases of the and kidney, in patients with, in burn victims, and in numerous other conditions. A Normal blood sodium level is 135 - 145 milliEquivalents/liter (mEq/L), or in international units, 135 - 145 millimoles/liter (mmol/L).

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