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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Pro

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Evidence from Studies

Supporting (1)

38

Community contributions welcome

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

This study found that when people with prediabetes exercise at 70% of their max heart rate, their blood sugar drops more after eating than when they exercise at lower intensities. So yes, working out harder (but not too hard) helps control blood sugar better.

Contradicting (0)

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No contradicting evidence found

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According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

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 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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38

91%

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.

38

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84%

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.

38

0

82%

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.

38

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78%

Engaging in consistent physical activity is associated with better control of blood glucose levels in individuals who have a high risk of developing prediabetes.

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73%