I also have insulin resistance, and I've found it is quite important for me to eat DURING the ride. Before/after is good, but during is equally important. After guidance from my specialist and dietician, I actually don't "count" what I consume before/during the ride.
When I first started riding I had to eat during every ride, regardless of length, but that's changed. I still, however, need to eat during any ride > 25-30 miles. <20 miles I just drink water, greater than that I have Heed in either bottle or hydration pack. For on-the-bike food I've learned that my body likes Cliff bars, for road riding I break them up and put them in my Fuel Belt that is mounted on my top tube. For a 50+ mile ride I need to have something like a PB and Banana sandwich stored somewhere and will also have Shot Blocs just in case - if it is hot I will also have a bottle of Accelerade. For mountain biking I judge this more by the amount of time I think I will be on the bike rather than distance as I am quite slow.
Of course our bodies are different, and some couldn't tolerate my Cliff bars as they are rather dense - but I've found that other bars or real food other than what I've mentioned either upsets my stomach or doesn't give me enough.
Considering your insulin resistance, would it be possible for you to visit a sports nutritionist who understands both cycling and insulin problems?




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