not sure what the actualy do calorie wise but the carbs in LBA's have no more impact on your blood sugar than the protien does and thats a little less than what whey does
I tested my blood glucose ALOT a while back and found that anything you eat will elivate your blood sugar some even egg yolks !!
Whey causes a suprisingly higher than expected raise , i think this is do to the rapid digestion of it
5 ounces of LBA's had about the same impack at 6 egg whites if i remember which was very little