The Energy Gel + Magnesium is a gel with a clever 2:1-ratio between glucose and fructose. Glucose (also known as dextrose) is the most important source of fuel for the body. The ratio has to be just right. With normal nutrition you can convert a maximum of around 60 gram of sugar to energy per hour. With a 2:1-ratio between glucose and fructose the conversion rate can increase to 90 grams. Your body will have more energy available for exercise. Noteable about this Energy Gel + Magnesium is the addition of magnesium, magnesium citrate to be specific. This type of magnesium is known for its optimal absorption by the body. The gel with magnesium has an effect for the (mid) long term and ensures the muscles perform well. Eurosport nutrition has delibarately chosen.