Combining Two Gut Nutrients Lowers Blood Sugar After Meals in Type 2 Diabetes
Combined intraduodenal delivery of lauric acid and L-tryptophan — individually ineffective at low doses — stimulated GLP-1 and CCK release and reduced postprandial glucose in type 2 diabetes.
Quick Facts
What This Study Found
Combined intraduodenal lauric acid and L-tryptophan synergistically stimulated GLP-1/CCK release and reduced postprandial glucose in type 2 diabetes.
Key Numbers
How They Did This
Randomized, double-blind, crossover study with intraduodenal nutrient infusion in type 2 diabetes patients.
Why This Research Matters
This synergistic nutrient approach could inspire non-pharmacological or food-based strategies for blood sugar management using the gut's own hormone release system.
The Bigger Picture
Harnessing the gut's incretin system through specific nutrient combinations could offer complementary approaches to diabetes management alongside pharmacotherapy.
What This Study Doesn't Tell Us
Intraduodenal delivery is not practical for routine use; unclear if oral delivery of these nutrients achieves similar effects; small crossover study.
Questions This Raises
- ?Can oral formulations of this nutrient combination replicate the intraduodenal effects?
- ?Would this approach work as an adjunct to GLP-1 RA therapy?
Trust & Context
- Key Stat:
- Synergistic hormone release Individually ineffective nutrient doses combined to stimulate GLP-1 and CCK and lower postprandial glucose
- Evidence Grade:
- Randomized double-blind crossover study — strong design for proof-of-concept physiological studies, but very small sample and artificial delivery route.
- Study Age:
- Published 2026 in Diabetologia.
- Original Title:
- Effects of combined intraduodenal administration of lauric acid and L-tryptophan on postprandial plasma glucose, glucoregulatory hormones and gastric emptying in type 2 diabetes: a double-blind, randomised, crossover study.
- Published In:
- Diabetologia, 69(4), 900-910 (2026)
- Authors:
- Anjom-Shoae, Javad(2), Fitzgerald, Penelope C E, Rose, Braden D, Bitarafan, Vida, Rehfeld, Jens F, Horowitz, Michael, Feinle-Bisset, Christine
- Database ID:
- RPEP-14772
Evidence Hierarchy
Frequently Asked Questions
Can specific foods help control blood sugar through gut hormones?
This study found that combining two nutrients (a fat and an amino acid) in the small intestine triggers GLP-1 release and lowers blood sugar. Practical dietary applications are still being developed.
What are lauric acid and L-tryptophan?
Lauric acid is a fatty acid found in coconut oil, and L-tryptophan is an amino acid found in turkey, cheese, and other protein-rich foods. Together in the gut, they can trigger beneficial hormone release.
Read More on RethinkPeptides
Related articles coming soon.
Cite This Study
https://rethinkpeptides.com/research/RPEP-14772APA
Anjom-Shoae, Javad; Fitzgerald, Penelope C E; Rose, Braden D; Bitarafan, Vida; Rehfeld, Jens F; Horowitz, Michael; Feinle-Bisset, Christine. (2026). Effects of combined intraduodenal administration of lauric acid and L-tryptophan on postprandial plasma glucose, glucoregulatory hormones and gastric emptying in type 2 diabetes: a double-blind, randomised, crossover study.. Diabetologia, 69(4), 900-910. https://doi.org/10.1007/s00125-025-06630-0
MLA
Anjom-Shoae, Javad, et al. "Effects of combined intraduodenal administration of lauric acid and L-tryptophan on postprandial plasma glucose, glucoregulatory hormones and gastric emptying in type 2 diabetes: a double-blind, randomised, crossover study.." Diabetologia, 2026. https://doi.org/10.1007/s00125-025-06630-0
RethinkPeptides
RethinkPeptides Research Database. "Effects of combined intraduodenal administration of lauric a..." RPEP-14772. Retrieved from https://rethinkpeptides.com/research/anjom-shoae-2026-effects-of-combined-intraduodenal
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.