During activity Chia Charge advise that most people will metabolise 300-400 calories per hour, so one flapjack per hour could replace 3 or 4 sports gels.
The golden syrup and brown sugar will give you immediate benefits in a manageable burst while the oats provide slower burning carbs. The chia seeds will provide you with omega 3 and antioxidants aiding recovery, joint and brain function. The sea salt flakes are a natural form of electrolyte replacement. Using sea salt flakes means you get layers of flavours.
The flapjack food bar is baked so that it has a slight chew through the edge, soft further in and is easy to digest, which is essential when you are on the move.