Every year, the European and national nutrition authorities publish guidelines for the optimum intake of vitamins, minerals and trace elements. These guidelines apply to healthy people. The question of where to find these healthy people arises however 30% overweight, 20% obese, 25% allergic individuals, 8% diabetics and rheumatism of 25% in the total population. Many of these people are under drug therapies of duration, are thus able to work and be the statistics considered "healthy". Now, a working person must be but not automatically also be healthy.