Can timing your carbs tame metabolic risk?
NCT ID NCT06684834
First seen Aug 12, 2026 · Last updated Aug 13, 2026 · Updated 1 time
Summary
This study tests whether restricting carbohydrates on two consecutive days per week or after 4pm each day can improve metabolic health and energy balance in adults with abdominal overweight or obesity. Over four weeks, participants follow one of these eating patterns or their usual diet, with monitoring of diet, activity, and glucose via wearables. Researchers will measure changes in blood fats, body composition, and other markers to see if these intermittent carb-restriction strategies could help reduce the risk of conditions like type 2 diabetes and heart disease.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Intermittent carbohydrate restriction (two schedules: 5:2 and early time-restricted)
- What this could lead to
- If effective, these eating patterns could offer simple, flexible ways to reduce metabolic risk and support weight management in people with excess abdominal fat.
- What could go wrong
- The trial is small (40 participants) and short-term, so results may not apply broadly. Adherence to strict carb limits can be challenging, and effects may not persist after the intervention ends.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Bath
Bath, Somerset, BA2 7AY, United Kingdom
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