07/06/2026
The synthetic vs real food debate in sports nutrition has a practical answer for most endurance athletes.
Synthetic formulations (gels, bars, concentrated maltodextrin products) are designed for rapid delivery during effort. They're useful mid-race, when speed of absorption is the priority and your gut can handle hyperosmotic inputs.
Pre-training, the calculation is different.
45–60 minutes before a long session, you don't need rapid delivery — you need sustained release. You need food that will still be providing energy at hour two, not just hour one. And you need your gut to be settled when the session starts, not processing something it found disruptive.
Oats are the endurance pre-training food that keeps coming back because the biology supports it. Low GI. Slow release. Familiar to your digestive system. Satiating without being heavy.
Clif Bar delivers this through a real-food ingredient list — organic oats, nuts, seeds, chocolate — with 9g plant protein and 12 vitamins added.
The 30-year track record isn't marketing. Athletes have had 30 years to switch to something better, and a significant number of them keep choosing organic oats before their long sessions.
Swipe through for the full pre-training nutrition comparison.
What do you eat before a long training session? Drop your protocol below.