The Best Low-Glycemic Index Diet in the World for Gut Health

Have you ever heard about the Mediterranean diet? It has crowned the best diet in the world for seven consecutive years, up to 2024, according to world records. And it’s no surprise—one of the many benefits of this diet is that it promotes a healthier and happier body, heart, and gut.
Let’s dive into how the Mediterranean diet, with its focus on Low-Glycemic Index (GI) foods, can keep your gut healthy in a fun and sustainable way.
What is the Mediterranean Diet?
The Mediterranean diet is inspired by the eating habits of people in countries around the Mediterranean Sea, like Greece and Italy. It first gained recognition in the late 1950s. While most people associate it with olive oil, there are several other key characteristics of this diet:
- High consumption of cereals, whole grains, legumes, vegetables, and fruits
- A relatively high intake of fats, mostly from olive oil
- Moderate to high consumption of fish
- Moderate to small amounts of poultry and dairy products
- Low consumption of red meat and processed meats
- Moderate alcohol intake, typically in the form of red wine
Low Glycemic Index: A Key Feature of the Mediterranean Diet
One defining feature of the Mediterranean diet is the focus on Low-GI foods, which help keep your blood sugar levels stable by rising gradually instead of spiking quickly. This approach prioritizes whole grains like quinoa and wheat, green vegetables, legumes, and fresh fruits over refined sugar and flour products.
Benefits of a Low-GI Mediterranean Diet for Gut Health
Inside your gut are trillions of good bacteria that aid digestion, support your immune system, and even influence your mood. The food you eat can either make these bacteria thrive or suffer. Luckily, the Mediterranean diet is a gut-friendly choice! Here are a few ways it benefits your gut health:
1. Rich in Fiber
The Mediterranean diet is packed with high-fiber foods like vegetables, fruits, and whole grains. Fiber is the "favorite food" of the good bacteria in your gut. When you consume enough fiber, these beneficial bacteria flourish, helping to maintain a balanced gut microbiota. This is essential for preventing digestive issues, like constipation, and ensuring your gut functions at its best.
According to a meta-analysis by F1000 Research (2019), a low-GI Mediterranean diet can increase gut microbiota diversity, boost digestive immunity, reduce gut inflammation, and prevent "leaky gut."
2. Healthy Fats
The Mediterranean diet emphasizes healthy fats, especially from olive oil. These fats have anti-inflammatory properties that can reduce inflammation in the gut. This is crucial because chronic gut inflammation can lead to conditions like Irritable Bowel Syndrome (IBS) and Crohn's disease.
Research shows that olive oil can lower the risk of inflammatory bowel diseases, thanks to the powerful anti-inflammatory compounds found in its polyphenols.
3. High in Antioxidants
Fresh fruits and vegetables, the stars of the Mediterranean diet, are rich in antioxidants like vitamin C, vitamin E, and beta-carotene. These antioxidants help protect the cells in your gut from damage caused by free radicals. A healthy gut means fewer digestive issues and a lower risk of other diseases.
When is the Best Time to Start the Low-GI Mediterranean Diet?
With all these amazing benefits, the answer is simple: start now! The low-GI Mediterranean diet has been proven to offer numerous other health benefits, such as keeping blood sugar levels stable and reducing the risk of metabolic diseases.
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References :
Mediterranean Diet Is Best Diet – Once Again
MEDITERRANEAN DIET – DOES THE GI MATTER?
low GI diet and mediterranean diet - what's the difference
Gut microbiome-Mediterranean diet interactions in improving host health