Yellow lentils have a glycemic index of around 30 to 32, making them a low-GI food. This means they cause a slower rise in blood sugar, making them a good choice for people with diabetes or those concerned about blood sugar control. The high fiber and protein content in yellow lentils also helps slow down the absorption of carbohydrates.
What is the glycemic index of yellow lentils?
The glycemic index (GI) of cooked yellow lentils is usually between 30 and 32, so it falls into the category of foods with a low glycemic index.
What does the glycemic index of yellow lentils mean?
The glycemic index shows how quickly a food raises blood sugar. The lower the GI number, the slower the rise in blood sugar. Yellow lentils are digested more slowly and do not cause sudden spikes in blood sugar due to their dietary fiber, resistant starch, and protein.
Glycemic index table for yellow lentils
| Consumption mode | Glycemic Index (GI) |
|---|---|
| Raw yellow lentils | About 28 |
| Cooked yellow lentils | 30 to 32 |
| Yellow lentil soup or puree | 35 to 38 |
What factors change the glycemic index of yellow lentils?
Cooking and preparation method
Prolonged cooking or over-mashing of yellow lentils can speed up the digestion of carbohydrates and slightly increase the GI. In contrast, regular cooking has a lower impact on blood sugar by preserving the texture of the grains.

Amount of processing and form of consumption
The more processed yellow lentils are, the higher their glycemic index. For example, pureed or floured yellow lentils typically have a higher GI than the cooked whole grain.
Combining yellow lentils with other foods
Eating yellow lentils with vegetables, olive oil, protein, or nuts can slow down the absorption of sugar. However, combining them with white bread or white rice may increase the glycemic load of the meal.
Are yellow lentils suitable for diabetics?
Yes, yellow lentils are generally suitable for people with diabetes. Their low glycemic index, high fiber, and longer-lasting satiety make them a great food for helping to control blood sugar levels. However, portion size and nutritional composition are still important.

Frequently Asked Questions About the Glycemic Index of Yellow Lentils
Does cooking increase the glycemic index of yellow lentils?
Yes, cooking can slightly increase the GI of yellow lentils, but the increase is usually small and still remains in the low range.
What is the difference between glycemic index and glycemic load?
The glycemic index measures how quickly blood sugar levels rise, but the glycemic load takes into account not only the speed but also the amount of carbohydrates consumed. So the glycemic load gives a more accurate picture of the impact of a food on blood sugar.
What is the best way to consume yellow lentils to control blood sugar?
The best way to eat cooked yellow lentils is to eat them whole, along with vegetables, protein, and healthy fats. This combination helps to reduce blood sugar fluctuations.

Final summary
Yellow lentils, with a glycemic index of around 30, are considered one of the best legumes for controlling blood sugar. Their high fiber and slow digestion provide more sustained energy and a feeling of fullness. Balanced consumption and proper combination with other foods can be beneficial for a diabetic diet.
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Prepared on: 1TouchFood cooking site
Don't forget that you can also use food calories to find out the calories in other ingredients.
Nutritional data source: FoodData Central – USDA

