One of the most common bits advice you see for runners, cyclists, and triathletes is to avoid gluten, either on a daily basis, or in the days leading up to competition. So where does this advice come from? Is it effective? And most importantly, is there a better approach?   Fueling Endurance eBook | T -12 Race Nutrition Course | Practitioner Resources The Fueling Endurance eBook contains answers to 49 of the most common nutrition questions that runners, cyclists and triathletes ask, and contains insights, tips, and quotes from experts and athletes.  The newly released T -12 self-guided course will help prepare you for your next event, with online tools, guides, information and instructions to take you through the 12 weeks leading up to race day. And soon-to-be-released, the Fueling Endurance Practitioner Resources will provide access to online tools and calculators I use all the time when working with endurance and ultraendurance athletes. For more into on each of these, check out fuelingendurance.com.   Fuelin: This episode is supported by Fuelin, the world's first training-based nutrition app. It syncs with your training plan (in TrainingPeaks, Final Surge, TriDot, Run Dot or Humango) and creates a personalised nutrition plan, built around your training schedule and tailored to your goals. You’ll see adjustments in your fuelling both within and outside of training sessions, using a traffic light system to adjust your carb intake to fuel appropriately for your needs. The new-look Version 2 app has just launched, providing an even better user experience. To get 20% off your first month, go to fuelin.com and enter the code FE20 at checkout.