Promag 375 active plus the food supplement son promag 375 active plus contains magnesium from magnesium oxide, magnesium glycinate, magnesium malate, magnesium citrate and vitamins pyridoxine hydrochloride and cholecalciferol (veg). the combination of these ingredients contributes to the normal functioning of the nervous and immune systems, to normal psychological function, to the maintenance of normal muscle function and the normal condition of bones and teeth, to the reduction of tiredness and fatigue, to the normal functioning of metabolic processes aimed at energy production. in addition, magnesium contributes to the balance of electrolytes, to the normal synthesis of proteins. vitamin b6 contributes to the normal synthesis of cysteine, to the normal metabolism of homocysteine, to the regulation of hormonal activity. Vitamin D3 contributes to the normal absorption and utilization of calcium and phosphorus and to the maintenance of normal calcium levels in the blood. ingredients Take one (1) tablet daily with a glass of water, preferably after a meal. Special warnings: If you are taking calcium or iron, it is best to take them at different times because they may reduce the absorption of magnesium. May cause mild gastrointestinal upset.