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 type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 30 (estimated) |
| Sponsor | TCI Co., Ltd. Industry-sponsored |
| Locations | 1 site (Tainan) |
| Status | Recruiting |
| Started | July 9, 2026 |
| Main results expected | September 30, 2026 |
| Study ends | October 31, 2026 |
| Registry record updated | July 15, 2026 |
| Trial ID | NCT07705191 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
- Principal investigator: Fang-Pei Chen — Chang Jung Christian University
- Study coordinator: Fang-Pei Chen, Ph.D.
- Email: fpchen@mail.cjcu.edu.tw
- Phone: +886-06-2785123
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.