The article is devoted to the influence of magnesium on the homeostasis of the body and, in particular, on the cardiovascular system. It describes the importance of the presence and effects of magnesium on various key processes and functions occurring in the body. The reasons for the lack of magnesium and ways to replenish it both in the natural way (eating, certain foods) and magnesium preparations are considered. The article provides examples of large randomized studies that prove the importance of the influence of normal magnesium levels on human health in general and on the state of the cardiovascular system. These studies show how magnesium deficiency increases the risk of cardiovascular diseases and how it can be reduced. It is also shown which trace elements and vitamins are closely related to magnesium metabolism, and how they (in particular, potassium and vitamin B6) improve and facilitate the normalization of magnesium levels. It is noted how comorbidity decreases with the normalization of magnesium level – the higher the magnesium level in the blood plasma (closer to the upper limit and more), the less comorbidity and longer life expectancy. Magnesium is an absolutely essential ion and a good medicine. Magnesium deficiency and hypomagnesemia are quite common, difficult to diagnose (due to underestimation and rare level control) and accompany many diseases of the cardiovascular system and beyond. The widespread use of organic magnesium salts would improve the situation as a whole, due to their universal multiple effect on many processes in the body. This is an integral part of therapeutic and preventive measures in patients with already existing diseases and in people who do not have diseases, but who are at risk due to existing hypomagnesemia.

Data on the effect of magnesium on the homeostasis of the body and on the cardiovascular system, are presented in the article. These data supplement information on studies of the role of magnesium in many body processes. The influence of lifestyle on magnesium metabolism, the pathological processes that cause its deficiency, and the clinical picture of hypomagnesemia are presented in the article. The necessary daily amount of magnesium, ways to restore the magnesium deficiency, both nutritional and with the help of magnesium-containing pharmacological preparations, their form, bioavailability and dosage regimen are discussed. Diseases that occur and/or worsen with hypomagnesemia are considered. Data on the iatrogenic effect of many drugs, including cardiological, removing magnesium from the body and ways to solve this issue, are also presented. Hypomagnesemia exacerbates the course of cardiovascular disease. Elimination of magnesium deficiency can contribute a lot to the prevention of morbidity and the optimization of treatment of patients.

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