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Roasted Peanuts Benefits, Nutrition, And Side Effects

Roasted peanuts offer several potential benefits due to their nutritional composition. Here are some potential benefits of roasted peanuts.

Roasted Peanuts Benefits


Peanuts are packed with essential nutrients such as protein, healthy fats, dietary fiber, vitamins (including vitamin E, niacin, folate, and thiamine), and minerals (including magnesium, phosphorus, and potassium).

Heart health

Peanuts contain monounsaturated and polyunsaturated fats, including oleic acid and linoleic acid, which are considered heart-healthy fats. These fats can help reduce bad cholesterol levels (LDL) and lower the risk of cardiovascular diseases when consumed as part of a balanced diet.


Peanuts are a good source of antioxidants, including resveratrol, phenolic acids, and flavonoids. Antioxidants help protect cells from damage caused by free radicals, reducing the risk of chronic diseases such as cancer and cardiovascular disorders.

Weight management

Despite being calorie-dense, peanuts can be beneficial for weight management when consumed in moderation. They provide a feeling of satiety due to their high protein and fiber content, helping to curb hunger and reduce overeating.

Blood sugar control

Peanuts have a relatively low glycemic index, meaning they cause a slower and steadier rise in blood sugar levels compared to high-glycemic foods. The combination of protein, fiber, and healthy fats in peanuts can contribute to better blood sugar control, particularly for individuals with diabetes.

Brain health

Peanuts contain vitamin E, a powerful antioxidant that plays a crucial role in maintaining brain health and protecting against cognitive decline. Some studies suggest that vitamin E may help reduce the risk of conditions like Alzheimer’s disease.

Nutrient absorption

Roasting peanuts can improve the bioavailability of certain nutrients. For example, roasting can increase the availability of niacin, a B-vitamin important for energy metabolism and the health of the nervous system.

It’s important to note that while peanuts can offer these potential benefits, individual results may vary, and it’s essential to consider your overall dietary intake and any specific health conditions or allergies you may have. If you have any concerns or specific dietary needs, it’s always a good idea to consult with a healthcare professional or registered dietitian.

Roasted Peanuts Nutrition

Roasted peanuts are a nutritious snack that provides a range of essential nutrients. Here is the approximate nutritional composition of roasted peanuts per 100 grams:

  • Calories: 567 kcal
  • Protein: 25.8 grams
  • Fat: 49.2 grams
  • Saturated fat: 6.28 grams
  • Monounsaturated fat: 24.43 grams
  • Polyunsaturated fat: 15.56 grams
  • Carbohydrates: 16.1 grams
  • Dietary fiber: 8.5 grams
  • Sugars: 4.7 grams


  • Vitamin E: 8.33 mg
  • Niacin (Vitamin B3): 12.07 mg
  • Folate (Vitamin B9): 240 mcg
  • Thiamine (Vitamin B1): 0.64 mg


  • Magnesium: 168 mg
  • Phosphorus: 376 mg
  • Potassium: 705 mg
  • Zinc: 3.27 mg
  • Iron: 4.58 mg
  • Calcium: 92 mg

It’s important to note that the nutritional composition can vary slightly depending on the brand and specific preparation method. Additionally, peanuts are energy-dense due to their high-fat content, so it’s essential to consume them in moderation as part of a balanced diet.

Roasted Peanuts Side Effects

Roasted peanuts are generally safe for consumption and offer numerous health benefits. However, some individuals may experience side effects or allergic reactions. Here are some potential side effects of roasted peanuts:

Allergic reactions

Peanuts are a common allergen, and peanut allergies can range from mild to severe. Allergic reactions may include symptoms like itching, hives, swelling (particularly in the face or throat), difficulty breathing, digestive issues, and in severe cases, anaphylaxis. If you have a known peanut allergy, it is important to avoid roasted peanuts and any products containing peanuts.

Digestive issues

Peanuts are high in fiber and fat, which can sometimes cause digestive discomfort in sensitive individuals. Eating large amounts of roasted peanuts may lead to symptoms such as bloating, gas, and diarrhea. It’s recommended to consume peanuts in moderation and drink plenty of water to help prevent digestive issues.

Weight gain

While peanuts can be a part of a healthy diet, they are calorie-dense due to their high fat content. Eating excessive amounts of roasted peanuts without considering portion control can contribute to weight gain. If you’re watching your calorie intake, it’s important to consume peanuts in moderation and incorporate them into a balanced diet.

Aflatoxin contamination

Peanuts are susceptible to fungal contamination, particularly with a toxin called aflatoxin. Aflatoxin can be produced by certain molds and has been linked to liver damage and an increased risk of liver cancer. However, commercially available roasted peanuts are typically tested for aflatoxin levels and regulated to ensure safety.

Sodium content

Some roasted peanuts may be salted or seasoned, which can increase the sodium content. Excessive sodium intake can contribute to high blood pressure and other health issues, especially for individuals with hypertension or a history of cardiovascular problems. If you need to limit your sodium intake, opt for unsalted or low-sodium roasted peanuts.

It’s important to note that the majority of people can consume roasted peanuts without experiencing any adverse effects. However, if you have any concerns, pre-existing conditions, or allergies, it’s best to consult with a healthcare professional or allergist before adding roasted peanuts to your diet.


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