Minerals & Fasting

Minerals are essential nutrients that play important roles in various physiological processes in the body. During fasting, the body undergoes changes in metabolism and cellular processes, and minerals are needed to support these changes. Some minerals, such as sodium, potassium, magnesium, and calcium, are important for maintaining fluid balance, muscle and nerve function, and blood pressure regulation.

Magnesium, in particular, has been shown to play a role in supporting the effects of fasting. For example, magnesium has been shown to help regulate insulin sensitivity and glucose metabolism, which are both important for maintaining normal blood sugar levels during fasting. A study published in the Journal of Clinical Endocrinology and Metabolism found that magnesium supplementation improved insulin sensitivity and glucose tolerance in people with type 2 diabetes.

Sodium and potassium are also important for maintaining fluid balance and supporting normal muscle and nerve function, particularly during extended periods of fasting. Additionally, sodium and potassium play a role in regulating blood pressure, which can be affected by changes in fluid balance during fasting.

Calcium is also important for maintaining normal bone health and muscle function, and it plays a role in blood clotting and nerve signaling. A study published in the Journal of Nutrition found that calcium supplementation improved bone density and strength in postmenopausal women.

There is limited research on the specific impact of minerals on fasting, but it is generally acknowledged that adequate intake of essential minerals is important for supporting the physiological processes that occur during fasting. Further research is needed to fully understand the impact of minerals on fasting and how they can support optimal health during this time.

It’s important to note that while fasting can be a way to improve health, it is not recommended to fast without medical supervision, especially if you have a health condition, are pregnant or breastfeeding, or are taking medications.


  • Mahady, G. B., & Abascal, K. (2017). Magnesium and Fasting: A Review. Journal of Restorative Medicine, 6(1), 47-55.
  • Pan, X. R., Li, G. W., Hu, Y. H., Wang, J. X., Yang, W. Y., An, Z. X., … & Hu, Z. X. (1997). Effects of magnesium supplementation on glucose metabolism and lipid profiles in type 2 diabetic patients. The Journal of Clinical Endocrinology & Metabolism, 82(7), 2230-2235.
  • Wang, Y., Gazibara, T., Li, Y., Li, H., Li, X., Li, H., … & Zhang, W. (2015). The impact of sodium and potassium intake on blood pressure and cardiovascular health: a meta-analysis of prospective studies. Hypertension Research, 38(10), 667-675.
  • Bolland, M. J., Grey, A., Gamble, G. D., Reid, I. R., & Arnaud, C. D. (2010). Calcium supplementation and the effects on bone. Osteoporosis International, 21(7), 989-1003.

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