Here's the link to the page
I thought that fat slowed digestion so that the glucose from the lactose enters your bloodstream slower?
asked byHawkeyes52 (220)
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on August 02, 2013
at 12:02 AM
The resource they're drawing their information from is multiple studies using different subjects and thus different glycemic responses are to be expected. It's good for rough estimates of the glycemic index of foods, but not for close comparisons.
Their resource gets the glycemic index of skim milk from a study on healthy people, but gets the glycemic index for whole milk from studies on both healthy people and type 2 diabetics, so it's obviously not a fair comparison.
As far as I know, most studies which actually compare whole and skim milk using randomized subjects do not find skim milk to have a lower GI compared to whole milk. In the following study there was no difference:
on August 01, 2013
at 11:21 PM
This doesn't actually make sense. I did a few quick searches (so take it for what it's worth), and I'm seeing full fat or 3.25% milk is sitting around 8-10 on the glycemic index, not 41 like your link says. The link you provided is the only one I've seen claiming that full fat milk is higher.
Take into account heavy cream which is almost non existent on the glycemic index. Foods that have more added sugar tend to have a quicker rise in blood glucose levels equating to a higher glycemic index. I would think that full fat milk has less sugar in it than skim. I also think skim milk is higher carb than full fat.
on August 01, 2013
at 02:06 PM
That is a little confusing. But I did come across this recently. Another study in the Archives of Disease in Childhood in March echoed the JAMA study and showed that children who drank lower-fat milk were more likely to be overweight later in life.
"Our original hypothesis was that children who drank high-fat milk, either whole milk or 2 percent would be heavier because they were consuming more saturated fat calories," author Dr. Mark Daniel DeBoer, an associate professor of pediatric endocrinology at the University of Virginia School of Medicine and the chair-elect for the AAP Committee on Nutrition, explained to TIME. "We were really surprised when we looked at the data and it was very clear that within every ethnicity and every socioeconomic strata, that it was actually the opposite, that children who drank skim milk and 1 percent were heavier than those who drank 2 percent and whole."
Who knows, but both are low glycemic.