Consuming a small amount of carbohydrate-based fuel before or during a VO2 max test warm-up is acceptable and unlikely to significantly influence maximal test results, especially at higher intensities.

“if you have something carbohydrate based you consume a little bit of that some people would say ah I don't like this because it could it could influence the depending on how you do this yeah uh but then again this is something I would say that a sub maximal yes maximal it won't do that very much because at the closer you get to your your your metabolic steady state or maximum metabolic steady state and then above basically things starts to basically homog”