Post-exercise Glucose Management in Type 1 Diabetes: Comparing Carbohydrate Intake and Insulin Reduction Strategies
Authors' conclusion
Both strategies were comparably effective in maintaining similar blood glucose stability during the 13-hours recovery period post-exercise. However, the basal insulin reduction strategy significantly delayed the onset of the first hypoglycemic episode
Study context
- Population
- Adults and adolescents with T1D using CSII; 60-min ergocycling at 60% VO2peak at 4 pm
- Participants
- 46 adults
- Comparison
- Basal insulin reduction vs post-exercise snack strategy after exercise
Primary result
As reported in the abstract
Time in blood glucose 4.0-10.0 mmol/l · 13-hours of recovery (5 PM to 6 AM post-exercise)
- No significant difference between the 2 strategies in time in 4.0-10.0 mmol/l: 54.4 ± 26.2 vs 57.7 ± 25.9% (values not attributed to a named strategy)
Further findings
Time below 4.0 mmol/l · 13-hours of recovery (5 PM to 6 AM post-exercise)
- No significant difference between the 2 strategies in time below 4.0 mmol/l: 1.8 ± 5.9 vs 5.5 ± 9.2% (values not attributed to a named strategy); likely due to high interindividual variability
Time from exercise end to first hypoglycaemic event (interstitial glucose <4.0 mmol/L)
- Significantly longer with the basal insulin reduction strategy: 140 vs 83 min
- P = 0.04
Original publication
Post-exercise Glucose Management in Type 1 Diabetes: Comparing Carbohydrate Intake and Insulin Reduction Strategies. Endocr Pract. Published 9 April 2026. doi:10.
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