Oat Bars with Soya Protein Crispies, White Chocolate Flavour Topping and Freeze-Dried Raspberries. Enjoy as part of a balanced diet and a healthy lifestyle. TREK Protein flapjack bar has been made with scrumptious white chocolate flavour topping and raspberry sprinkles, filled with gluten free oats and 9g of plant based protein for slow-releasing, feel good energy, which will have you feeling fuller for longer. Something a little different to other cereal bars.