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glycerols glycemic index?

Glycerol has no direct impact on blood glucose or insulin, so GI is not really relevant.
 
It is stored as a carb, requires 4.5 kcal to burn 1g, and is the "head" of any triglyceride.

I was under the impression it was a carb that illicits no insulin response also. The reason I ask is because I am thinking about using a water/glycerol/l-carnitine fluid replacement during my workout and don't want any insulin response.

Does this sound like a good idea?
 
"Glycerine is included as a carbohydrate on most nutritional labels even though it is
really a by-product of the metabolism of fat. However, glycerine does not affect insulin levels or blood
glucose. This means that while it has calories, it will not negatively impact the body in ways that will disrupt
ketosis. You should still count the calories you are consuming from this product, since even a low
carbohydrate diet needs some calorie control, but you do not need to worry about disrupting ketosis
because there is no evidence that glycerine effects either insulin or blood sugar, which is the way that
normal carbohydrates disrupt ketosis. "

From Naturally ripped news, http://www10.netrition.com/cgi/article_display.cgi?magazine_id=RIP&issue_number=7&article_id=4

On a low carb diet, glycerol will be mainly converted to glucose in the liver, but the absorption and conversion is so slow that the impact on insulin secretion and glucose levels is a non-issue for most people.
 
MS: On a low carb diet, glycerol will be mainly converted to glucose in the liver, but the absorption and conversion is so slow that the impact on insulin secretion and glucose levels is a non-issue for most people.

AWESOME!

if this info is correct, then I could substitute my fruit for glycerol, and get all the liver glycogen and NO INSULIN response...:D

Can anyone confirm this?
 
You can't pig out on glycerol anymore than you can pig out on fructose. Moderation is the key if you're trying to maintain ketosis. Remember it still counts as a carb, it's just very low GI. You will get mainly liver reglycogenation and some muscle glycogen from glycerol consumed on a low carb diet. Keep it under ~30 grams if ketosis is your goal.
 
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