Clinical trial Recruiting at 1 site Interventional Ages 18 and up

SugarLock peanut skin extract before meals to see if it helps post-meal blood sugar in healthy adults

Official title: Assessing the Impact of SugarLock® Peanut Skin Extract on Postprandial Blood Glucose Control

Run by TCI Co., Ltd. · NCT07705191 · Data updated 2026-11-12

This study tests whether taking SugarLock peanut skin extract (and white kidney bean extract) before a meal can blunt or delay rises in blood glucose in healthy adults.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment30 (estimated)
SponsorTCI Co., Ltd.
Industry-sponsored
Locations1 site (Tainan)
StatusRecruiting
StartedJuly 9, 2026
Main results expectedSeptember 30, 2026
Study endsOctober 31, 2026
Registry record updatedJuly 15, 2026
Trial IDNCT07705191 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18+ without diabetes, with fasting glucose under 100 mg/dL, and no major GI or other qualifying conditions.

Probably not a fit

People with diabetes or those on medications affecting glucose, or with certain GI, hepatic, or renal conditions, may not benefit or could be ineligible.

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

What this trial studies

This is a single-center, randomized crossover study in healthy adults aged 18 and older with normal fasting glucose. Participants receive three pre-meal interventions (SugarLock peanut skin extract, white kidney bean extract, or water) before a 50 g carbohydrate rice meal, each on separate test days with at least 48 hours between visits and CGM monitoring for 3 hours. The trial aims to see if pre-meal supplements can reduce postprandial glucose elevations and fluctuations. A washout period and controlled meal conditions help isolate the effects of the extracts on glycemic responses.

Why it matters

Potential benefit: If successful, pre-meal supplementation could help manage postprandial glucose excursions in some individuals.

How similar studies have gone: Previous studies have explored dietary extracts for postprandial glycemic control, with mixed but promising results in non-diabetic populations.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adults aged 18 years or older;
* Fasting blood glucose level \< 100 mg/dL;
* Individuals without type 1 or type 2 diabetes.

Exclusion Criteria:

* Women who are pregnant, breastfeeding, or planning to become pregnant during the study period;
* Individuals with chronic gastrointestinal diseases (such as irritable bowel syndrome \[IBS\], inflammatory bowel disease \[IBD\], chronic diarrhea, celiac disease, short bowel syndrome, ulcers, colorectal cancer, etc.), a history of epilepsy or seizures, psychiatric disorders, malignant tumors, endocrine disorders, liver or kidney disease, or other major organic diseases;
* Individuals with a history of gastrointestinal surgery or organ transplantation;
* Individuals who have taken medications or supplements affecting blood glucose or insulin within the past three months;
* Individuals allergic to peanuts or white kidney beans;
* Full-time employees in the same department as the principal investigator, and students directly taught by the principal investigator during the current semester.

Where it's running

  • Chang Jung Christian University
    Tainan, Taiwan
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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.