1 (n = 12) [27]

7 (n = 116) [18, 20, 22—25, 28]

double that of the GI standard of 50 g. Although GI is relatively constant across different populations (lean, obese, impaired glucose tolerance, diabetes), the insulin responses vary widely [13]. Postprandial insulin responses to isocaloric amounts of food are not closely related to either the carbohydrate content or the glycemic effects of food; the glycemic response accounts for only 23% of the variability in insulin [12]. Thus, GI may not be a good marker to predict insulin response.

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