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by andreareina
57 days ago
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AFAIK 5:4 is just the lowest ratio they've tested. Personally I use table sugar (1:1) and can sustain rates above 100g/h. Haven't hit the ceiling yet, don't really feel the need to explore where that is yet because exceeding the absorption rate comes with the risk of diarrhoea which is bad at any time but especially when you're in the middle of a training session and who knows where the nearest toilet is. Gut training is consuming large amounts of carbohydrate (preferably in the same form you intend to use when racing), yes. |
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However, for many people eating so much of a very sweet food becomes very unpleasant.
It is very easy and cheap to make at home a gel by boiling in water corn starch mixed with fructose in a microwave oven, for a few minutes. Swallowing such a gel should feel much less sweet than the same amount of a sugar solution.
As far as I know, the only difference between such a gel made at home and the commercial gels for athletes is that in the latter the starch is pre-digested with some bacterial enzyme, so that the long starch molecules are broken into short molecules of dextrine and maltose.
This processing shortens the time until the absorption in the gut, but I am not sure if this is really an advantage in all cases. A slower absorption will maintain an elevated blood glucose level for a longer time after ingestion, which may be preferable if you feed periodically, because it avoids wide fluctuations in the glucose level, while a faster absorption might be useful for an immediate recovery when the glucose level has been severely depleted by not feeding for a long time.