Berocca Orange contains a range of B Vitamins, which all work together to help your body to release the energy it gains from your food. They also contain Magnesium, which can also help your body to release energy, and Zinc, which helps your body to process carbohydrate and create new cells and enzymes. They also contain Pantothenic Acid, a B vitamin which not only helps your body to release energy, but is thought to contribute to mental performance.