Helps reduce fatigue Magnesium and vitamin B6 help reduce tiredness and fatigue. Magnesium contributes to the normal functioning of the nervous and muscular systems. In addition, L-Threonine enhances the action of magnesium at the level of the nervous system and muscles. Vitamins and minerals are essential micronutrients for the proper functioning of our body. Soria Natural's Vitamins and Minerals line has been conceived in the form of sustained release tablets, favoring the release of the active principles in our body at a controlled and sustained speed, for a better use of them. Use tips 2 to 4 tablets a day with a glass of water are recommended; one or two in the morning and one or two at night. Store in a dry and cool place.