If it ain’t broke don’t fix it, so we didn’t. TREK Original Oat Protein Flapjacks are a staple of the TREK protein bar range, and for good reason. These beauties are packed with natural ingredients like 10g of plant-based protein and slow-release energy from gluten-free oats. So, whether you need breakfast on-the-go, or a post-workout pick-me-up, these classic flapjacks are just the ticket.