How Patients with T2DM Can Safely Consume Food with High Glycemic Index

It is a well-known fact that patients with type 2 diabetes mellitus (T2DM) need to avoid eating a carbohydrate-rich diet, such as one containing many potatoes and other high glycemic indexes (GI) food, because it can increase blood glucose levels. 

However, according to a new study in the October 2020 issue of Clinical Nutrition, researchers from Australia and the United Kingdom have found that people with T2DM do not necessarily have to avoid potatoes (more specifically, white potatoes), as consuming potatoes does not affect blood sugar control, especially at night. Based on the results of a rigorously controlled clinical trial at La Trobe University in Australia, glycemic index (GI) is not observed to be an accurate surrogate marker for an individual's glycemic response (GR) to foods consumed during an evening meal. Moreover, the study found out that patients had a better glycemic response at nighttime after eating a mixed meal with peeled white potatoes (high GI) than an isoenergetic and macronutrient-matched mixed meal, which included basmati rice, a low GI carbohydrate food....

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