There are different types of bars and some examples are protein bars and energy bars. Protein Bars contain a higher amount of protein and is ideal as a snack, or before or after the workout. Energy Bars fit well in the context of training. There are also other useful options such lågkolhydratsbars that serves as a meal replacement or a common snack.
Perfect snack for training, on the job, yes närsom, below you can choose the option that suits you best.