For adults with prediabetes, exercising at 70% of their maximum heart rate leads to a larger drop in C-peptide levels after eating than exercising at higher or lower intensities, indicating a difference in how the body handles insulin production or demand.

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Against

Evidence from Studies

Supporting (1)

38

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38

Exercise intensities and metabolic health: Targeting blood glucose, insulin, and C-peptide levels in adults with prediabetes in the postprandial state

Randomized Controlled Trial

Human

2024 Oct

When people with prediabetes exercise at 70% of their max heart rate, their body needs to produce less insulin after eating, which means their pancreas gets a break and their body uses insulin better. This was the best intensity tested.

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Source Study

Exercise intensities and metabolic health: Targeting blood glucose, insulin, and C-peptide levels in adults with prediabetes in the postprandial state

Score: 38

DOI: 10.1016/j.jtumed.2024.10.002

Similar Assertions

For adults with prediabetes, exercising at 70% of their maximum heart rate helps blood insulin levels return to fasting levels more quickly after eating, which suggests the body is using insulin more efficiently.

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For adults with prediabetes, exercising at 70% of their maximum heart rate lowers blood sugar after a meal by about 50 mg/dL within an hour, more than exercising at lower intensities.

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For adults with prediabetes, exercising at a higher intensity (80% of maximum heart rate) lowers blood sugar and insulin after meals just as much or more than exercising at a lower intensity (70%), but it feels harder and is harder to keep up over time.

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For adults with prediabetes, exercising on a treadmill for 30 minutes at 70% of their maximum heart rate after eating leads to a larger drop in blood sugar and insulin levels afterward than exercising at lower or higher intensities.

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If you eat before working out, your blood sugar and insulin levels spike more during exercise than if you work out on an empty stomach.

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