I highly disagree with your statement about the Glycemic Load having almost nothing to do with body comp. GL has a direct inpact on insulin levels, and chronically high insulin impedes fat oxidation and is correlated with numerous diseases. Low GL carbs are ideal for stable blood sugar, except post workout where insulin sensitivity is elevated.
Chronic high insulin levels may be correlated to numerous diseases, I agree. However, to have that occur you would need to indulge in way over excess (of such foods) for long periods of time. In the context of dieting down to get leaner, one’s calories (the most important thing) should be in a negative balance anyway, meaning that a person shouldn’t and couldn’t be having a ton of glycemic loading foods (mostly carbs) in their diet to begin with. So keeping with in those parameters, the load difference between apples and oatmeal is VERY insignificant and should not even be fussed about. Also, insulin is often elevated throughout the day and does not stop the oxidation of fat in its tracks. Insulin works on a cell by cell basis and does not stop fat loss else where in the body.
I do agree that slower digesting foods will lead to more stable blood sugar and will help the torture that is dieting. However, when combining foods together like proteins and carbs and maybe even fats (o my) the glycemic index of said meal is greatly reduced (which would lead to more stable blood sugar.
I didn’t intend to make a generalized blanket statement that was taken (IMO) to an extreme example. I was more specifically responding to an implication that starches and grains should be avoided while dieting. Thats not true, many people diet with starches as their main carb source (Stu and Myself, for example) just fine.
Starches and grains have a higher GL in general compared to fruits, vegetables, and legumes. I heard some moron at my gym tell me to stay away from carrots, as they have alot of sugar in them. Dude, the way the glycemic index is measured, you would need to eat like 7-8 big carrots in one sitting, something I have yet to see someone do. All in all, if you are sticking with greens, some fruits, and beans, you probably don’t have to worry about GL. Fiber and fructose help to offset things.