Brown rice has a glycemic index of around 50 to 55, making it a low-to-medium GI food. This number indicates that brown rice causes a slower rise in blood sugar than regular white rice. The higher fiber content and more complete grain structure mean that its carbohydrate absorption is more controlled, making it a better choice for many diets.
What is the glycemic index of brown rice?
The glycemic index of brown rice is usually reported to be between 50 and 55. Therefore, it is in the low to medium GI category and has a milder effect on blood sugar levels than many types of white rice.
What does the glycemic index of brown rice mean?
The glycemic index, or GI, is a measure of how quickly blood sugar levels rise after eating a carbohydrate-containing food. The higher the GI number, the faster the blood sugar level rises. Brown rice, because of its bran and fiber, is usually digested more slowly, causing a more gradual rise in blood sugar.
Glycemic index table for brown rice
| Consumption mode | Glycemic Index (GI) |
|---|---|
| Cooked brown rice | About 50 to 55 |
| Brown rice cooled after cooking | It might be a little lower. |
| Processed brown rice | Varies depending on the amount of processing |

What factors change the glycemic index of brown rice?
Cooking and preparation method
Cooking time can affect the GI. Overcooked rice that becomes soft is digested more quickly and may cause a greater rise in blood sugar.
Amount of processing and form of consumption
The more the rice grain is milled or processed, the less of its natural structure remains and the faster the absorption of carbohydrates increases.
Combining brown rice with other foods
Consuming brown rice along with protein sources, healthy fats, and vegetables can slow the rate at which blood sugar rises and better control the glycemic load of the meal.

Is brown rice suitable for diabetics?
Yes, with caution and in moderation. Brown rice can be a better option than white rice for people with diabetes due to its higher fiber content, but portion size, meal composition, and individual circumstances still matter.
Frequently Asked Questions About the Glycemic Index of Brown Rice
Does cooking increase the glycemic index of brown rice?
Cooking rice too long and making it too soft can slightly increase its GI, as the starch becomes easier to digest.
What is the difference between glycemic index and glycemic load?
The glycemic index indicates how quickly blood sugar rises, but glycemic load takes into account the amount of carbohydrate consumed in addition to the GI.
What is the best way to consume brown rice to control blood sugar?
It is better to consume it in a balanced amount and with vegetables, protein, and healthy fats to slow down the rise in blood sugar.

Final summary
Brown rice has a glycemic index of around 50 to 55, making it a gentler effect on blood sugar than many types of white rice. Choosing the right cooking method and combining it with healthy foods can help better control blood sugar spikes.
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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

