GI isn't the whole story. Some proteins trigger insuline response way more than blood sugar. This site has a lot of interesting material on the subject. https:

GI isn't the whole story. Some proteins trigger insuline response way more than blood sugar. This site has a lot of interesting material on the subject. https://intensivedietarymanagement.com/insulin-index/ https://intensivedietarymanagement.com/insulin-index/ Couldn't find the particular text I was loooing for but apparently there was this study where they mixed pasta with milk or water and added glucose to achieve equal mixes of glucose, lactose and such. The mix with the milk had something like three times higher insulin response.