Chocolates black and in the milk contain respectively 112 mg and 60 mg of magnesium for 100 g. To fight against the stress and the anxiety, nothing better that to increase his(her,its) consumption in magnesium. Multiple studies confirm that this mineral is a major element of the prevention of the negative consequences of the stress, and that it is capable of reducing strongly the rates of cortisol plasmatique in the blood. A deficit of magnesium pulls(entails) a reduction in energy. This lack can be felt in various ways: sensation of exhaustion, chronic fatigue, fatigabilité in the effort … The lack of energy has very often psychological consequences because it is stressful. When we feel in good shape, we are more self-confident and if problems appear we have the necessary energy for