The Doppelherz Aktiv Magnez-B6 400 UltraFAST is a dietary supplement designed to rapidly replenish magnesium and vitamin B6 levels. It features microgranules that dissolve quickly in the mouth without the need for water, making it extremely convenient for use anytime and anywhere, including during workouts or travel. Each sachet delivers a high dose of 400 mg of magnesium, which is crucial for maintaining electrolyte balance and proper muscle function, especially after intense physical activity. Additionally, it is fortified with vitamin B6, which helps reduce tiredness and fatigue while supporting energy metabolism. This product is suitable for vegans, free from lactose and gluten, and can be used by individuals with diabetes​