10-hour eating window didn't move glycemic control in prediabetes

nutrition · Examine.com Study Summaries — June 8–15, 2026 · 2026

In 46 prediabetic adults, a self-selected 10-hour eating window for 3 months produced a tiny early dip in nighttime glucose that vanished by month 3 — with no HbA1c improvement.

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Examine.com

Research lens

In 46 prediabetic adults, a self-selected 10-hour eating window for 3 months produced a tiny early dip in nighttime glucose that vanished by month 3 — with no HbA1c improvement.

  • time-restricted eating
  • intermittent fasting
  • prediabetes
  • HbA1c
  • CGM