Chloride & Fasting

Chloride is a vital electrolyte that is essential for maintaining fluid balance, blood pressure regulation, and digestive health. During fasting, the body can experience changes in electrolyte levels, and adequate intake of chloride is important for maintaining overall health.

Studies have shown that adequate intake of chloride, especially in the form of sodium chloride (salt), can help maintain hydration and support normal functioning of the digestive system during fasting. For example, a study published in the American Journal of Clinical Nutrition found that increased salt intake improved hydration status and prevented reductions in blood volume during fasting.

Additionally, chloride has been shown to play a role in the production of hydrochloric acid in the stomach, which is important for proper digestion and nutrient absorption. In some cases, low chloride levels during fasting can lead to decreased production of hydrochloric acid, which can negatively impact digestive health.

It is important to note that the impact of chloride on fasting can vary depending on individual needs and health conditions, and it is always recommended to consult a healthcare provider before making any changes to your diet or fasting regimen.


  • Schoffelen, P. F., Scholte, J. R., & Struijs, A. (1994). Salt supplementation and dehydration during fasting. American Journal of Clinical Nutrition, 60(3), 444-450.

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