Research

Hormonal

Postprandial glucose metabolism parameters derived from an Oral Glucose Tolerance Test (OGTT) do not predict anthropometric changes (weight, fat mass, or fat-free mass) following an 8-week low-calorie formula diet in adults with obesity.

If you are on a strict, low-calorie diet for 8 weeks, your body's specific glucose and insulin response to a sugar test (OGTT) will not help predict how much weight you will lose. The study found that baseline fat-free mass and sex were much better predictors of weight loss than metabolic phenotyping. Focus on adhering to the caloric deficit rather than seeking metabolic tests to guide short-term weight loss.

GoodRefutesHIGH confidence
Postprandial glucose metabolism after a glucose load does not predict anthropometric outcomes after short-term weight loss via a formula-based low-calorie diet in adults with obesity.
Anna Reik et al. · Molecular Nutrition & Food Research · 2024

Why this rating

Randomized controlled trial design with a substantial sample size (N=158) and rigorous statistical analysis (linear regression and random forest), though limited by the short duration and specific intervention type.

Source

Association Between the Postprandial Response to an Oral Glucose Tolerance Test and Anthropometric Changes After an 8‐Week Low‐Calorie Formula Diet – Results From the Lifestyle Intervention (LION) Study

Anna Reik et al. · Molecular Nutrition & Food Research · 2024

DOI 10.1002/mnfr.202400106

rct · n=158
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DOI resolved against Crossref · corpus check 2026-06-10

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