Sodium is an essential electrolyte in the human body, primarily involved in regulating fluid balance, nerve function, and muscle contraction. It is crucial for maintaining blood pressure and is a key component of plasma, lymph, and extracellular fluid. Sodium levels in the body are tightly controlled, and imbalances can have significant health implications. High sodium intake is commonly associated with high blood pressure and cardiovascular diseases, while low sodium levels can lead to hyponatremia, affecting neurological functions.

  • High Levels (Hypernatremia): Often due to dehydration or certain hormonal imbalances.
  • Low Levels (Hyponatremia): Can result from conditions causing fluid imbalance, certain medications, or heart, kidney, or liver problems.

 

Sodium

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