Glycaemic, appetite and circadian benefits of a dairy-enriched diet with high-protein breakfast and early daytime-restricted carbohydrate intake in type 2 diabetes: a randomised crossover trial – Published online 23/01/2026

Shani Tsameret, Oren Froy, Yael Matz, Zohar Landau, Orit Twito, Julio Wainstein, Natalie Avital‑Cohen, Nava Chapnik, Daniela Jakubowicz

What we eat and when we eat it plays an important role in how our bodies manage blood sugar. In this issue, Tsameret et al (https://doi.org/10.1007/s00125-025-06658-2) show that starting the day with a dairy-rich, high-protein breakfast and eating most carbohydrates earlier in the day can improve blood sugar management in people with type 2 diabetes. Participants who followed this eating pattern had lower glucose levels, fewer spikes during the day and felt less hungry compared with when they ate a similar diet without dairy. The diet also improved the activity of ‘body clock’ genes that help regulate metabolism, suggesting that food timing can work together with our internal biological rhythms. The authors conclude that these findings highlight a simple, practical approach—choosing the right type of protein and eating it at the right time—that may help people with diabetes better manage blood sugar and appetite without changing calories or losing weight.

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