Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Low-dose galactose added to a meal to test blood sugar control

Official title: Effect of Low Dose Galactose on Glycaemia and Glucose Kinetics

Run by University of Bath · NCT07599683 · Data updated 2026-11-12

Researchers will test whether adding a small amount of galactose with a 75 g glucose drink can help control blood sugar in healthy adults.

More Glucose Metabolism Disorders trials

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment25 (estimated)
SponsorUniversity of Bath
Academic / other
Locations1 site (Bath)
StatusRecruiting
StartedJanuary 1, 2026
Main results expectedDecember 31, 2028
Study endsDecember 31, 2029
Registry record updatedJuly 8, 2026
Trial IDNCT07599683 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18 years or older who are normoglycemic, with BMI 18.5–30 kg/m2, and without metabolic, dietary, or gastrointestinal disorders that affect sugar metabolism.

Probably not a fit

Individuals with diabetes, prediabetes, metabolic diseases, galactose or fructose metabolism disorders, or those on ketogenic diets may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This interventional study uses a crossover design to compare glucose kinetics after a standard 75 g glucose load with and without galactose, and with fructose as a comparator. State-of-the-art dual stable isotope tracing will track how glucose enters the bloodstream, how the liver releases sugar, and how muscles take up glucose. The goal is to see if galactose slows glucose appearance from the gut or liver or enhances glucose disposal in tissues. Results will clarify whether galactose can modulate postprandial glycemia in normoglycemic adults. The study is led by the University of Bath with collaboration from the University of Birmingham and Arla Foods.

Why it matters

Potential benefit: If successful, galactose could be used to help manage post-meal blood sugar in healthy individuals or inform sugar formulation strategies.

How similar studies have gone: Previous studies using isotope tracing and sugar additives have shown signals of altered glucose kinetics, but this specific galactose-glucose interaction in normoglycemic adults is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age: 18 years and above;
* Normoglycaemic (fasting glucose \<6.1 mmol/L)
* Body mass index: 18.5-30 kg/m2

Exclusion Criteria:

* weight instability (\>5% change within last 3 months);
* pregnant or lactating;
* following a very low-carbohydrate (ketogenic) diet;
* diagnosis of diabetes or prediabetes, or any other metabolic disease;
* dietary intolerances or allergies, or to any other study procedures;
* disorders in the ability to metabolise galactose or fructose (e.g., galactosemias);
* diagnosis of any gastrointestinal disorders;
* any other condition/medications that could introduce bias;
* unable to understand and follow study procedures

Where it's running

  • University of Bath
    Bath, United Kingdom
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.