Blue square with a peanut and a diabetes awareness ribbon icon on top of hands holding peanuts in front of a blurred kitchen background

Is Groundnut Good for Diabetes?


Diabetes is a chronic health condition that affects how your body processes blood sugar (glucose). Managing diabetes is crucial and often involves a combination of medication, exercise, and dietary choices. The role of diet in managing diabetes cannot be overstated; it can significantly impact blood sugar levels and overall well-being.

When it comes to dietary choices for individuals with diabetes, the question often arises: Is groundnut good for diabetes? Groundnuts, also known as peanuts, can offer various benefits for individuals managing diabetes. They are rich in protein, healthy fats, fiber, and essential nutrients like magnesium and vitamin E. These nutrients can contribute to better blood sugar control, improved heart health, and overall wellness in diabetic individuals..

Glycemic Index of Groundnut

The glycemic index (GI) of groundnuts, also known as peanuts, can vary depending on factors such as variety, processing, and how they are consumed. Generally, raw groundnuts have a lower glycemic index compared to processed or roasted groundnuts.

  • Raw Groundnuts: The glycemic index of raw groundnuts is relatively low, typically ranging from around 13 to 23. This is due to their high fiber content, which slows down the absorption of carbohydrates and sugars into the bloodstream.

  • Roasted Groundnuts: Roasted groundnuts may have a slightly higher glycemic index compared to raw groundnuts, as the roasting process can affect their carbohydrate structure and glycemic response. However, the glycemic index of roasted groundnuts is still relatively low, typically ranging from around 13 to 35.

  • Groundnut Butter (Peanut Butter): The glycemic index of groundnut butter can vary depending on factors such as added sugars and processing methods. Generally, natural groundnut butter without added sugars or hydrogenated oils has a lower glycemic index compared to commercial varieties with added sugars and stabilizers.

Effects of Groundnut on Blood Sugar Levels

  • Low Glycemic Index: Groundnuts have a relatively low glycemic index (GI), which means they cause a gradual increase in blood sugar levels compared to high-GI foods. This is partly due to their high fiber content, which slows down the absorption of carbohydrates into the bloodstream. As a result, groundnuts can help prevent rapid spikes in blood sugar levels after consumption.

  • High in Protein and Fiber: Groundnuts are rich in protein and dietary fiber, both of which can help regulate blood sugar levels. Protein slows down the digestion and absorption of carbohydrates, leading to a more gradual release of glucose into the bloodstream. Fiber helps to stabilize blood sugar levels by delaying gastric emptying and promoting a feeling of fullness, which can reduce overall food intake and prevent blood sugar spikes.

  • Source of Healthy Fats: Groundnuts contain predominantly monounsaturated and polyunsaturated fats, which are considered heart-healthy fats. These fats have been shown to improve insulin sensitivity and reduce the risk of cardiovascular disease, both of which are beneficial for individuals with diabetes.

  • Nutrient Content: Groundnuts are a good source of various vitamins and minerals, including magnesium, potassium, and manganese, which play important roles in glucose metabolism and insulin action. These nutrients may help support overall blood sugar control when consumed as part of a balanced diet.

  • Portion Control: While groundnuts can be a nutritious addition to a diabetes-friendly diet, it's essential to practice portion control, as they are calorie-dense. Consuming large quantities of groundnuts can lead to excess calorie intake, which may affect blood sugar levels and weight management.

Ways to Incorporate Groundnut in the Diabetic Diet

  1. As a Snack:

    • Enjoy a small handful of raw or dry-roasted groundnuts as a satisfying snack between meals. Pair them with a piece of fruit, such as an apple or pear, for added fiber and flavor.

  2. In Salads:

    • Sprinkle chopped groundnuts over salads for added crunch and protein. They pair well with leafy greens, vegetables, and a light vinaigrette dressing. Consider adding grilled chicken or tofu for a complete meal.

  3. In Stir-Fries and Curries:

    • Add groundnuts to stir-fries and curries for extra flavor and texture. They complement vegetables, lean proteins, and whole grains like brown rice or quinoa. Use a small amount of groundnuts to control portion sizes and keep the dish balanced.

  4. In Smoothies:

    • Blend groundnuts into smoothies for a creamy texture and added protein. Combine groundnuts with leafy greens, berries, Greek yogurt, and a small amount of honey or a sugar-free sweetener for a nutritious and filling beverage.

  5. As a Topping/ Garnish:

    • Use chopped groundnuts as a topping for oatmeal, yogurt, or whole grain cereal. They add crunch and protein to breakfast dishes without significantly increasing carbohydrate content.

    • Sprinkle groundnuts over soups, stews, and grain bowls for added flavor and texture. They can enhance the overall taste of the dish while providing additional nutrients.

  6. In Dips and Sauces:

    • Make your own nut butter using groundnuts and use it as a dip for sliced vegetables or whole grain crackers. You can also add groundnuts to sauces and dressings for salads, vegetables, or grilled meats.

Risks and Considerations

  • While groundnuts are nutrient-dense and can help regulate blood sugar levels, they are also high in calories and fat. For individuals with diabetes who need to manage their weight, portion control is essential when consuming groundnuts. It's important to be mindful of serving sizes to avoid excessive calorie intake.

  • Another consideration is the potential risk of allergic reactions to groundnuts. Allergies to nuts, including groundnuts, are quite common and can cause severe reactions in some individuals. If you have a known allergy to nuts, it's vital to steer clear of groundnuts to prevent any allergic incidents.

Moreover, some commercially available groundnut products may contain added sugars, salt, or unhealthy fats, which can be detrimental to the health of individuals with diabetes. Always check the ingredient labels and opt for unsalted, unsweetened varieties to minimize the intake of these potentially harmful additives.


Groundnuts are great for people with diabetes because they're full of protein, healthy fats, and fiber. These nutrients can help keep blood sugar levels in check. The healthy fats in groundnuts can make your body more sensitive to insulin, which is important for managing diabetes. Plus, the fiber in groundnuts slows down digestion, so your blood sugar levels won't spike too quickly after eating them. But remember, groundnuts are high in calories, so it's important to watch how much you eat. Eating too many groundnuts can lead to weight gain, which isn't good for managing diabetes. So, enjoy groundnuts in moderation as part of a balanced diet.


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