---
title: "Researchers Discover Fat Before Carbohydrates Reduces Blood Sugar Spike"
url: https://noti.group/researchers-discover-fat-before-carbohydrates-reduces-blood-sugar/
language: en
publisher: "Noti Group"
section: "Health"
published: 2026-10-11T04:32:03.000Z
updated: 2026-10-11T07:25:09.464Z
id: 23589292-b331-49e6-9c67-34890516214f
source: "ScienceDaily Health https://www.sciencedaily.com/releases/2026/10/261008102700.htm"
attribution: "Link to https://noti.group/researchers-discover-fat-before-carbohydrates-reduces-blood-sugar/ and name Noti Group when you quote or summarize this story."
---

# Researchers Discover Fat Before Carbohydrates Reduces Blood Sugar Spike

A new study reveals that eating fat before carbohydrates can significantly impact blood sugar levels in mice, potentially offering an effective way to control blood sugar without restricting entire food groups.

New study reveals that the order of eating different foods can significantly impact blood sugar levels in mice. Researchers discovered that consuming fat before carbohydrates leads to a reduced spike in blood sugar after a meal. This finding has major implications for people managing diabetes.

Eating vegetables, protein or fat before carbs is already known to help regulate blood sugar levels. However, the latest research suggests that changing the sequence of foods during a meal could offer an effective way to control blood sugar without restricting entire food groups. Experts believe this approach is practical and sustainable.

The mechanisms behind this effect have been attributed to slower gastric emptying and increased release of certain hormones called incretins. These include GLP-1, which plays a crucial role in regulating blood sugar levels. By influencing the body's natural response to food, these factors can help mitigate the negative effects of high-carb meals.

An international team of researchers sought to gain a deeper understanding of how gut and pancreatic hormones interact with the nervous system to produce these effects. They studied the impact of consuming fat before or after glucose on blood sugar levels, hormone activity, and gastric emptying speed.

When it comes to managing blood sugar levels, researchers are constantly seeking new approaches that can be easily incorporated into everyday life. One promising strategy is meal-sequencing, which involves adjusting the order in which different types of food are consumed.

To test the effects of olive oil on blood sugar levels, scientists conducted a series of experiments using mice. The animals were divided into three groups and fed in different ways. In one group, water was given first followed by glucose. Another group received olive oil 15 minutes before being administered glucose.

The researchers then measured the impact on various hormones involved in regulating blood sugar levels. They found that consuming olive oil before glucose had a distinct effect compared to giving glucose first with olive oil afterwards. This difference suggests that the timing of fat consumption may play a significant role in how the body processes glucose.

To further investigate this phenomenon, the scientists also measured gastric emptying speed by administering acetaminophen and tracking its presence in the bloodstream. The results showed that consuming olive oil before glucose slowed down the rate at which food left the stomach, potentially giving the body more time to regulate blood sugar levels.

The researchers extended their study to additional groups of mice, including those with type 2 diabetes and animals lacking a key receptor needed to respond to GLP-1. These experiments aimed to determine whether the effects observed in healthy mice would hold true under different conditions.

The research team conducted a series of experiments to test the consistency of their findings under different conditions. They blocked glucagon or GLP-1 signaling and surgically interrupted the vagus nerves below the diaphragm on both sides. Additionally, they examined whether various dietary fats produced similar results.

The outcomes revealed a clear distinction based on when the mice received olive oil. When olive oil was administered before glucose, the initial increase in blood sugar levels was lower than when the oil was given afterwards. This earlier fat intake also slowed gastric emptying, delaying the movement of glucose from the stomach into the intestine.

Conversely, consuming fat before glucose triggered an early surge in several hormones, including glucagon, GIP, and GLP-1. These findings suggested that the timing of fat consumption can have a significant impact on blood sugar levels.

The effects observed in healthy mice were also seen in those with type 2 diabetes and severe insulin deficiency. This implies that the response could still function even when normal insulin regulation is significantly impaired.

Blocking glucagon signaling alone did not eliminate the blood sugar lowering effect of consuming olive oil before glucose, nor did blocking GLP-1 signaling by itself remove the benefit.

Blocking both glucagon signaling and GLP-1 signaling simultaneously significantly reduced the beneficial effect of consuming olive oil before glucose.

This outcome implies that these two hormones work in tandem as part of a more intricate system, helping to regulate blood sugar levels after fat is ingested alongside carbohydrates.

The study's findings also shed light on the role of glucagon in this process. Despite its traditional association with increasing blood sugar, glucagon appears to contribute to a response that ultimately limits the rise in glucose levels following a meal.

Experiments involving the vagus nerve revealed another crucial aspect of the body's response to nutrient order. Disrupting communication through these nerve pathways suggested that the vagus nerve also plays a role in this complex process.

The nervous system, digestive hormones, and pancreatic signals interact in a coordinated manner to control how quickly glucose enters the intestine after eating fat before carbohydrates.

These interactions could have significant implications for managing diabetes. By adjusting the order of foods consumed, individuals may be able to mitigate blood sugar spikes without relying on complex diets or avoiding specific food groups.

The findings highlight the intricate dance between multiple systems that govern our body's response to nutrient consumption.

The study's findings suggest that consuming olive oil before carbohydrates can have a significant impact on blood sugar levels.

This effect is thought to be due to the way in which nutrients reach the gut, with the order of consumption triggering a coordinated response between hormones and nerves that influences how quickly glucose is delivered to the intestine. The mechanisms identified in the study are still purely theoretical and require further research to determine their applicability to humans.

Further studies will be necessary to confirm whether these findings can be replicated in people, particularly those with diabetes, who would greatly benefit from improved blood sugar regulation.

---
Source: [ScienceDaily Health](https://www.sciencedaily.com/releases/2026/10/261008102700.htm)  
Published by Noti Group: https://noti.group/researchers-discover-fat-before-carbohydrates-reduces-blood-sugar/
