Carbs vs. calories: which diet boosts your Body's fuel flexibility?

NCT ID NCT07429058

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how a low-carb diet or a standard calorie-restricted diet affects metabolic flexibility—the body's ability to switch between using carbs and fat for energy. Thirty healthy adults followed each diet for two weeks. Researchers measured breath ketones, blood sugar, and other markers to compare the effects.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Low-carbohydrate diet and standard calorie-restricted diet

What this could lead to

If successful, this study could help explain how different diets affect the body's ability to switch between burning carbs and fat for energy.

What could go wrong

This is a small, short-term study in healthy adults, so results may not apply to people with health conditions or long-term diet changes.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Technical University of Munich

    München, Bavaria, 80809, Germany