For the treatment of an isolated or deficient magnesium deficiency. A combination of several symptoms may indicate a possible magnesium deficiency: o nervousness, irritability, slight anxiety, a general feeling of fatigue and slight sleep disturbances; o signs of anxiety, for example, spasms of the gastrointestinal tract or palpitations in conditions of normal heart function; o cramps and muscle tremors . Using magnesium supplements can reduce these symptoms. Magnesium deficiency can be: primary due to metabolic disorders (chronic congenital hypomagnesemia); secondary, caused by: o insufficient intake of magnesium (very poor food, alcoholism, only parenteral (intravenous) nutrition); o gastrointestinal malabsorption, or impaired absorption from the stomach and intestines (chronic diarrhea, fistula of the digestive tract, hypoparathyroidism); o excessive secretion through kidneys (defects of the renal tubules, increased urination; o excessive use of diuretics, chronic pyelonephritis, primary hyperaldosteronism, treatment with cisplatin).