AIMS: Time-restricted eating (TRE) is a chrono-nutrition strategy where the daily 'eating window' is reduced to 8-10 h. We investigated the acute (14-h) effects of TRE, with and without post-meal exercise, on blood glucose and insulin concentrations in people with type 2 diabetes mellitus. METHODS: Fourteen participants (5 F, 9 M
HbA1c: 7.6 ± 1.0%) completed four conditions in this randomised crossover study: CON (eating window, 0800-2000 h), CON with exercise (CON + Ex
0800-2000 h + 15 min walking at 60% VO RESULTS: Reducing the eating window had little effect on plasma glucose 14-h area under the curve (AUC). Exercise reduced insulin 14-h AUC (P=0.01) with no additive effect of TRE. CONCLUSION: 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. Future work should focus on long-term effects of TRE combined with exercise for enhancing blood glucose in people with type 2 diabetes mellitus.