Original ArticlePharmacognosy ResearchVol. 18 | Issue 4 | 2026 | pp. 1225–1233Open access
Effects of a Glucagon-like Peptide-1 (GLP-1) Booster™ on Blood Glucose, HbA1c, Insulin, and GLP-1 Levels, Body Weight and Body Fat in Overweight Adults
- 1*,
- 2
- 1 MBC Program, University of Utah, Salt Lake City, Utah, USA.
- 2 Department of Statistics, Brigham Young University, Provo, Utah, USA.
Published in Pharmacognosy Research
Correspondence: Xuesheng Han
MBC Program, University of Utah, Salt Lake City, Utah, USA.
Email: xuesheng.han@utah.edu
Copyright: © 2026 Manuscript Technomedia. This is an open access article.
- Published:
- Aug 30, 2026
- Received:
- Aug 7, 2025
- Accepted:
- Feb 1, 2026
How to cite
Han, X., & Snow, G. (2026). Effects of a Glucagon-like Peptide-1 (GLP-1) Booster™ on Blood Glucose, HbA1c, Insulin, and GLP-1 Levels, Body Weight and Body Fat in Overweight Adults. Pharmacognosy Research, 18(4), 1225–1233. https://doi.org/10.5530/pres.20260086
Abstract
Background
Glucagon-Like Peptide-1 (GLP-1, a human hormone) drugs have unwanted side effects and limitations. One alternative is to utilize medicinal plants to boost endogenous secretion of GLP-1.
Materials and Methods
GLP-1 Booster (GB) contains green tea leaf extract, Gardenia fruit extract, Turmeric root extract, Black pepper extract, Fenugreek seed extract, Ginseng root extract, and White kidney bean extract. A total of ten overweight (BMI 25.0 - 29.9 kg/m2) adults completed a 12-week study.
Results
In 12 weeks participants saw significant reductions in fasting blood glucose (from 89.8 to 82.0 mg/dL, p<0.001), insulin (from 43.2 to 36.1 pmol/L, p<0.001), HbA1C (from 5.33% to 5.13%, p<0.01), total cholesterol (166.4 vs 141.0 mg/dL, p<0.001), Systolic Pressure (p<0.001), Diastolic Pressure (p<0.05), Body Weight (171.29 vs 163.39 lbs, p<0.001), Body Fat Mass (42.26 vs 34.11 lbs, p<0.001), Body Fat Percentage (25.24% vs 21.24%, p<0.001), Body Fat Index (BFI) (6.81 vs 5.53 kg/m2, p<0.001), Body Mass Index (BMI) (26.95 vs 25.69 kg/m2, p<0.001), Waist Hip Ratio (WHR) (0.875 vs 0.857, p<0.05). Fasting GLP-1 level improved from 6.49 pmol/L to 7.27 pmol/L (p<0.001). Participants reported 42.2% decrease in Feeling of Hunger (p<0.001), 80.5% increase in Feeling of Fullness (p< 0.001), 48.6% decrease in Desire to Eat (p<0.001), and 43.1% decrease in Eat How Much Food (p<0.001).
Conclusion
GB can be effective in improving endogenous GLP-1 levels, reducing blood glucose, suppressing cravings, and losing body fat for overweight adults.
Keywords
Subject
Article metadata
| Title | Effects of a Glucagon-like Peptide-1 (GLP-1) Booster™ on Blood Glucose, HbA1c, Insulin, and GLP-1 Levels, Body Weight and Body Fat in Overweight Adults |
|---|---|
| Authors | Xuesheng Han; Gregory Snow |
| Affiliations | MBC Program, University of Utah, Salt Lake City, Utah, USA.; Department of Statistics, Brigham Young University, Provo, Utah, USA. |
| Corresponding author | xuesheng.han@utah.edu |
| Journal | Pharmacognosy Research |
| Volume / Issue | Vol. 18, Issue 4 (2026) |
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