As an athlete, it is important to ensure a sufficient magnesium intake. Magnesium is an important mineral for normal energy metabolism and normal muscle function. Magnesium also helps to reduce fatigue and is one of the 5 electrolytes that are lost the most during exercise due to sweating. The Powerbar MAGNESIUM LIQUID ampoule offers 250 mg high-quality magnesium plus vitamin B6 and fits in any pocket thanks to its practical format. 250 mg high-quality magnesium plus vitamin B6 Magnesium contributes to normal energy metabolism and normal muscle function Vitamin B6 contributes to normal protein and glycogen metabolism Lactose- and gluten-free Suitable for vegetarians and vegansAll Powerbar Black Line products are also listed on the Cologne List® and have been tested and certified by Informed Sport (LGC) for banned substances. As a result, we can offer athletes even more safety and trust.