What is Total Body Water (TBW) and why is it important?

Total Body Water indicates the total water present in our body.


Water is the predominant component in the human body: it represents approximately 60% of the weight of an adult.

Metabolism of water is closely linked to sodium, which holds it back. The TBW is divided into two compartments:

  • Intracellular Water (ICW)
  • Extracellular Water (ECW)


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