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Milk with breakfast lowers blood glucose
September 2, 2018, 2:02 pm
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Type 2 diabetes could be better managed with a change in breakfast routine, suggests a new collaborative study by scientists at the University of Toronto and the University of Guelph in Canada,

The study examined the effect of consuming high-protein milk at breakfast on blood glucose levels and satiety after breakfast, and after a second meal. Researchers found that milk consumed with breakfast cereal reduced postprandial blood glucose concentration compared with water, and high dairy protein concentration reduced postprandial blood glucose concentration compared with normal dairy protein concentration. The high-protein treatment also reduced appetite after the second meal compared with the low-protein equivalent.

Obesity and type 2 diabetes are leading concerns in human health, and there is growing impetus to develop dietary strategies aimed at risk reduction and management of obesity and diabetes that empower consumers to improve their personal health.

In the randomized, controlled, double-blinded study, the team examined the effects of increasing protein concentration and increasing the proportion of whey protein in milk consumed with a high-carbohydrate breakfast cereal on blood glucose, feelings of satiety, and food consumption later in the day. Digestion of the whey and casein proteins naturally present in milk releases gastric hormones that slow digestion, increasing feelings of fullness. Digestion of whey proteins achieves this effect more quickly, whereas casein proteins provide a longer lasting effect.

Although the team only found a modest difference in food consumption at the lunch meal when increasing whey protein at breakfast, they did find that milk consumed with a high-carbohydrate breakfast reduced blood glucose even after lunch, and high-protein milk had a greater effect. Milk with an increased proportion of whey protein had a modest effect on pre-lunch blood glucose, achieving a greater decrease than that provided by regular milk.

According to the researchers, the study confirms the importance of milk at breakfast time to aid in the slower digestion of carbohydrate and to help maintain lower blood sugar levels. Nutritionists have always stressed the importance of a healthy breakfast, and this study should encourage consumers to include milk.

 

 

 

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