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Tofu glycemic index (GI)

Article author photo Victoria Mazmanyan by Victoria Mazmanyan | Last updated on August 13, 2023
Medically reviewed by Jack Yacoubian Article author photo Jack  Yacoubian

The Glycemic Index of Tofu

Tofu, also known as bean curd, is made from soybeans, specifically curdled soybean milk.

Tofu only contains 0.5g of net carbs per 100g. which makes it hard to calculate its glycemic index. However, based on The American Journal of Clinical Nutrition the glycemic index of tofu is 15 (1)(2). 

This puts tofu in the low glycemic index category.

Soy products have been studied as an approved part of a diet intended to improve insulin levels and control blood glucose, as they have low glycemic and insulin response indices (3).

Consuming white rice, a high glycemic index food, with tofu can notably decrease the glycemic response of rice (4).

One study has concluded that consuming soy foods, such as tofu, five times a week leads to a significant reduction in the risk of developing diabetes in Asian populations (5).

In conclusion, tofu might not have much effect on blood glucose levels; however, it can play a protective role against diabetes and is recommended as part of a balanced diet for people at risk.


Article author photo Victoria Mazmanyan
Education: General Medicine at YSMU
Last updated: August 13, 2023
Medically reviewed by Jack Yacoubian

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Data provided by should be considered and used as information only. Please consult your physician before beginning any diet.