Animal study · Supplements / medicine · 18 Oct 2026
In mice, olive oil before glucose slowed stomach emptying and blunted the blood-sugar rise
Source: Kyoto University / Diabetes
What the research found
Study (mice). Yanyan Liu, Daisuke Yabe, and colleagues at Kyoto University report in Diabetes (2026; DOI 10.2337/db26-0531). After an overnight fast, mice received water then glucose, olive oil then glucose 15 minutes later, or glucose then olive oil. Oil first produced a smaller early glucose rise, slower gastric emptying, and an early rise in glucagon, GIP, and GLP-1. The pattern still appeared in mice with type 2 diabetes and severe insulin deficiency. Blocking glucagon or GLP-1 alone did not remove the effect; blocking both reduced it. Cutting the vagus nerves below the diaphragm also changed the response. GLP-1 here is a hormone the animals already release, not a drug result, and not a reason to start, stop, or swap a medicine. The experiment is in mice. Not medical advice. Not a substitute for a prescribed medicine. Off-label use of GLP-1 receptor agonists is clinician-only.
Evidence level: Animal study. Results in animals or cells often don't carry over to people.
Not medical advice. Not a substitute for a prescribed medicine. Off-label prescription use is clinician-only. VitaLonga does not diagnose, treat, or cure disease. Never start, stop, or replace a prescription with a supplement on the basis of a headline.
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