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Eggplants, commonly known for their vibrant purple hue and versatile culinary applications, have garnered attention for their potential benefits in managing blood sugar levels. While eggplants may not be commonly associated with diabetes management, they possess a remarkably low glycemic index, making them a favorable option for individuals seeking to regulate their blood glucose levels. Rich in nutrients such as potassium, vitamin C, and phytonutrients, eggplants can contribute to a well-rounded, nutrient-dense diet, potentially aiding in the prevention of various chronic diseases. 

This article will delve into the nuanced relationship between eggplant consumption, glycemic control, and overall health, shedding light on the lesser-known aspects of this vegetable's impact on blood sugar regulation and offering insights into its diverse nutritional profile that extends beyond diabetes management.

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Glycemic Index Table

The glycemic index of eggplant is very low, with a value of around 15.² This implies that eggplant has minimal impact on blood sugar levels, making it a favorable food choice for individuals concerned about managing their blood glucose. 

Considering the serving size of 100g, eggplant contains approximately 5.88g of carbohydrates per serving, which is a relatively low amount.¹ The glycemic load (GL) of eggplant per serving can be calculated by multiplying the glycemic index by the carbohydrate content and dividing the result by 100, resulting in a glycemic load of approximately 0.88 per serving.

It is worth noting that the cooking method can influence the glycemic index of eggplant. Boiling or steaming eggplant may lower its glycemic index, while deep-frying may increase it due to the absorption of oil. This information underscores the importance of considering cooking methods when incorporating eggplant into a diet designed to manage blood sugar levels.

Glycemic Index


Serving Size


Carbohydrate* per Serving (g)

5.88 g

GL per Serving


Nutritional Facts

Eggplants, commonly known as aubergines, are nutrient-dense vegetables rich in vitamins, minerals, and antioxidants. They are a good source of dietary fiber, providing about 2.5 grams per 100-gram serving.¹

Additionally, eggplants are low in calories, with only 25 calories per 100 grams, making them a valuable component of a healthy, balanced diet. Their nutritional composition contributes to various health benefits, including improved digestion, heart health, and potential anti-inflammatory properties.

The nutritional information below is for 100 g of eggplant.¹


25 kcal


5.88 g


0.83 g


2.5 g


0 mg


A (2 µg), B12 (0 µg), B6 (0.09 mg), C (1.3 mg).


1 mg

Total Fat

0.23 g

Is Eggplant Good for Weight Loss?

Eggplant can benefit a weight loss diet due to its low-calorie content and high fiber composition. The fiber in eggplant can promote satiety and help control appetite, potentially leading to reduced calorie intake. Additionally, its nutrient density, particularly its rich array of vitamins, minerals, and antioxidants, can contribute to overall health and well-being, supporting weight management efforts.

Incorporating eggplant into a balanced, calorie-controlled diet can be an effective strategy for individuals aiming to achieve or maintain a healthy weight.

Is Eggplant Safe for People Living with Diabetes?

Eggplant can be a safe and beneficial addition to the diets of individuals with diabetes, given its low glycemic index and carbohydrate content. Its high fiber content can aid blood sugar regulation and improve glycemic control. Furthermore, the presence of bioactive compounds in eggplant, such as phenols and flavonoids, has shown potential in reducing the risk of complications associated with diabetes, as evidenced by research from the Journal of Medicinal Food.

Including eggplant as part of a well-balanced diet for individuals with diabetes can offer various nutritional benefits and potentially contribute to better management of blood sugar levels.

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Allergies to eggplant are relatively uncommon but can occur, particularly in individuals sensitive to certain proteins present in the vegetable. Symptoms of an eggplant allergy may include itching, swelling, or tingling in the mouth, throat, or lips; in severe cases, it could lead to anaphylaxis. 

While eggplant is not among the top allergenic foods, individuals with a history of food allergies or sensitivities should be cautious when introducing eggplant into their diet.

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What is Glycemic Index?

The glycemic index (GI) is a measure of how quickly a carbohydrate-containing food raises blood sugar levels compared to a reference food, usually glucose. It ranks foods on a scale from 0 to 100, with higher values indicating a faster rise in blood sugar. The glycemic index (GI) scale is typically categorized as follows: Low GI [55 or less], Medium GI [56-69], High GI [70 or higher]. Foods with a high glycemic index digest rapidly and can cause dramatic fluctuations in blood glucose or glucose spikes.

What is Glycemic Load?

Glycemic load (GL) takes into account both the quality (glycemic index) and quantity (carbohydrate content) of carbohydrates in a specific serving of food. It is a measure of how much a particular food will raise blood sugar levels. GL is calculated by multiplying the glycemic index of a food by its carbohydrate content and dividing it by 100. It provides a more accurate representation of the overall impact of a food on blood sugar compared to the glycemic index alone.

Does Eggplant Spike Insulin?

No, eggplant does not spike insulin levels. In fact, eggplant is a low glycemic index food, meaning it has a minimal impact on blood sugar levels. It is a good source of fiber and antioxidants, making it a healthy addition to a balanced diet.

Is Eggplant Low Glycemic?

Yes, eggplant is considered a low glycemic food with a glycemic index of 15.

Can People Living with Diabetes Eat Eggplant?

Yes, people living with diabetes can eat eggplant as it is a low-carbohydrate vegetable that is rich in fiber, vitamins, and minerals. However, it is important to monitor portion sizes and cooking methods to avoid adding excess calories and carbohydrates.

Topics discussed in this article:


  1. USDA FoodData Central. (2022, October 28). Food Details - Figs, dried, uncooked. 
  2. The University of Sydney. (2023, May 1). Glycemic Index – Glycemic Index Research and GI News

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It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout.

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About the author

Brittany Barry is a national board-certified health coach and NASM-certified personal trainer based in South Carolina.

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Please note: The Signos team is committed to sharing insightful and actionable health articles that are backed by scientific research, supported by expert reviews, and vetted by experienced health editors. The Signos blog is not intended to diagnose, treat, cure or prevent any disease. If you have or suspect you have a medical problem, promptly contact your professional healthcare provider. Read more about our editorial process and content philosophy here.

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