Hormonal
In individuals with Type 2 Diabetes Mellitus, a 15-minute post-meal walk at ~60% VO2peak significantly reduces daily insulin exposure (AUC) and post-prandial glucose/insulin spikes, whereas an 8-hour time-restricted eating (TRE) window alone does not significantly alter total daily blood glucose compared to a 12-hour window.
If you have Type 2 Diabetes, focus on taking a 15-minute walk after your main meals rather than strictly restricting your eating window to 8 hours for immediate glucose control. This specific timing of light-to-moderate intensity walking significantly lowers insulin requirements and reduces post-meal blood sugar spikes, which helps manage daily glycemic variability.
Exercise reduced insulin 14-h AUC (P=0.01) with no additive effect of TRE... Post-meal exercise lowered 14-h insulin AUC, neither 8-h TRE nor post-meal exercise altered 14-h blood glucose compared with 12-h eating window.
Why this rating
Randomized crossover trial with rigorous control of diet and exercise, though limited by a small sample size (n=14) and short duration (acute 14-hour effects).
Source
Combined effects of time-restricted eating and exercise on short-term blood glucose management in individuals with Type 2 Diabetes Mellitus: The TREx study, a randomised controlled trial
Ana Paula Bravo-García et al. · Diabetes Research and Clinical Practice · 2025
DOI 10.1016/j.diabres.2025.112081
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