They are uncomplicated, tasty and can be made with multiple flavour combinations. We are talking about granola bars. These practical snacks prove to be an ideal source of energy, especially on cycle tours, such as those from Eurobike. Alongside the right breakfast they are essential for ensuring energy balance. In general, the bars are very substantial and quickly deliver a boost of strength. Eating a granola bar is advisable, especially when intense physical exercise lasts longer than 90 minutes. Why? In addition to fat and protein, carbohydrates (saccharides) are an essential part of our diet. They provide energy, especially when cycling, and insulin levels are kept constant over a long period of time with long-chain carbohydrates.