

A recent study published in Diabetes & Metabolic Syndrome: Clinical Research & Reviews reveals that delaying breakfast can significantly lower post-meal blood sugar spikes in patients with type 2 diabetes (T2D). The research highlights an easy, non-invasive lifestyle change that could improve glycemic control for many individuals living with this condition.
The study, conducted over six weeks, examined the effects of altering breakfast timings and walking for 20 minutes after meals on postprandial glycemia. Researchers randomly assigned 14 participants to three groups: an early breakfast at 7:00 a.m., a mid-morning breakfast at 9:30 a.m., and a late breakfast at 12:00 p.m. The results showed that those who had breakfast later in the morning—either at 9:30 or 12:00—experienced significantly lower blood sugar levels after eating compared to those who ate at 7:00 a.m.
Additionally, the study tested the impact of post-meal physical activity. A 20-minute brisk walk after breakfast reduced blood sugar spikes slightly for those who ate at 7:00 a.m. and 12:00 p.m. but had no effect for those eating at 9:30 a.m. The findings suggest that changing the timing of meals, combined with light physical activity, could offer a practical solution for better-managing blood glucose levels.
Type 2 diabetes, a chronic condition that disrupts the body’s ability to manage insulin effectively, is increasingly prevalent worldwide. Traditional treatments focus on improving diet and exercise. Still, this new evidence suggests that the timing of meals may also play a crucial role in managing blood glucose levels, especially after breakfast—the meal most closely associated with elevated morning blood sugar.
The study’s results offer a simple, low-cost intervention that could be easily incorporated into daily routines. By delaying breakfast, individuals with T2D may see long-term improvements in their ability to control blood sugar and reduce risks associated with poor glycemic management, including insulin resistance and cardiovascular complications.
This groundbreaking study provides the first strong evidence that adjusting breakfast timing could become an essential tool in the management of type 2 diabetes. Future research is needed to further explore the benefits of this strategy and assess its feasibility on a larger scale.
More information:
- Bravo-Garcia, A. P., Reddy, A. J., Radford, B. E., Hawley, J. A., & Parr, E. B. (2024). Modifying the timing of breakfast improves postprandial glycaemia in people with type 2 diabetes: A randomised controlled trial. Diabetes & Metabolic Syndrome: Clinical Research & Reviews, 18(11-12), 103157. DOI:10.1016/j.dsx.2024.103157, https://www.sciencedirect.com/science/article/pii/S1871402124002182
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