
Peanuts are a tasty and nutritious low-carb snack that can be enjoyed as part of a healthy diet. They are high in fat, protein, fibre, and potassium. They are also rich in vitamins and minerals such as niacin (B3), vitamin E, and magnesium. While they are a good source of healthy fats, they are also high in calories, so it is important to practice portion control when including them in a keto diet. Spanish peanuts, in particular, are considered a low-carb alternative to tree nuts and can be enjoyed raw or as peanut butter. However, dry-roasted peanuts are generally not recommended for a keto diet due to their high fat and calorie content.
| Characteristics | Values |
|---|---|
| Carbohydrates | 6-9 grams of net carbs per serving (28-100 grams) |
| Fats | High in healthy fats (unsaturated fats, oleic and linoleic acid) |
| Calories | High in calories (100 grams of raw peanuts contain about 585-661 calories) |
| Protein | High in protein |
| Fiber | High in dietary fiber |
| Vitamins and Minerals | Rich in B-vitamins, niacin (B3), vitamin E, magnesium, phosphorus, and manganese |
| Anti-nutrients | Contain phytic acid, which can inhibit mineral absorption |
| Portion Control | Should be consumed in moderation due to higher carb content |
| Types | Spanish, Virginia, Cajun boiled, Japanese, honey-roasted, and natural peanut butter |
| Health Benefits | May reduce the risk of heart conditions and diabetes |
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What You'll Learn

Spanish peanuts are low-carb
Spanish peanuts are a good source of low-carb protein, making them a keto-friendly snack. They are considered a superfood, packed with minerals, nutrients, vitamins, amino acids, and antioxidants that promote good heart health. They have been proven to lower blood pressure, blood sugar, and cholesterol, which can help prevent coronary artery disease and strokes.
While some people on a keto diet consider peanuts to be a meh snack, they are not the lowest or the highest carb nut—they sit right in the middle. One ounce of raw peanuts contains 4.6g of total carbohydrates, while a cup of Spanish peanuts contains 9.2g of net carbs. This makes them a good option for a low-carb diet, as they can help you increase your nutrient intake without increasing your carb intake.
Peanuts are also a good source of plant-based protein, providing 7g of high-quality protein in just one ounce, or about 30-40 pieces. This is important because a low-carb diet that includes plant-based fats and proteins has been shown to decrease mortality significantly. Additionally, a study of 15,000 people found that those who consumed peanuts and peanut products had higher levels of vitamin A, vitamin E, folate, magnesium, zinc, iron, calcium, and dietary fiber.
Spanish peanuts, in particular, are the lowest-carb variety of peanuts, which is why they are often chosen by those on a keto diet. They also have a good amount of healthy proteins and fats that make you feel full without overeating. For these reasons, Spanish peanuts can be a great, keto-friendly snack or meal.
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They're high in protein and fibre
Peanuts are a good source of plant-based protein and dietary fibre. They are also rich in vitamins and minerals, including niacin (B3), vitamin E, folate, magnesium, zinc, iron, calcium, and manganese.
The high protein content of peanuts can help with weight loss, as it makes you feel fuller for longer, reducing the desire to snack. Researchers in Spain found that people who consumed nuts, including peanuts, at least twice a week were 30% less likely to gain weight compared to those who rarely ate them. In another study, two-thirds of children who replaced their daily unhealthy snacks with peanuts either lost or maintained their weight.
The fibre in peanuts also has weight loss benefits. Fibre helps to keep you feeling full, reducing overall calorie intake. Fibre also supports digestive health and can help to lower cholesterol levels and control blood sugar.
However, it is important to note that while peanuts are a good source of protein and fibre, they are also relatively high in calories and should be consumed in moderation as part of a keto diet. Portion control is key when it comes to peanuts and keto. A small handful, or roughly one ounce (28 grams), is a good starting point.
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They're calorie-dense
Spanish peanuts are calorie-dense, with a serving size of 100 grams of raw shelled Spanish peanuts equalling about ⅔ cup. This serving size contains 6.3 grams of carbohydrates, which is not considered low-carb. However, the high fibre content of peanuts helps to keep the net carb count down.
Peanuts are a good source of healthy fats, protein, and essential nutrients, which can support your dietary goals. They are also rich in vitamins and minerals, including B-vitamins, vitamin E, magnesium, phosphorus, manganese, niacin (B3), folate, zinc, iron, and calcium.
While peanuts can be a nutritious and filling snack, it is important to practice portion control when including them in a keto diet. They have a relatively high net carb content, with 7.63 grams of net carbs per 100 grams, which could quickly use up a significant portion of your daily carb allowance. For those on a strict keto diet, which typically limits daily carbohydrate intake to less than 20 grams, careful consideration and strict portion control are necessary when consuming peanuts.
Additionally, it is worth noting that peanuts are legumes, which are not typically approved for low-carb diets. However, peanuts have a nutrition composition closer to nuts than beans or peas, which is why they are often considered keto-friendly in moderation.
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They're a legume, not a nut
Although peanuts are widely categorized as nuts, they are technically legumes. Like soybeans, lentils, and other legumes, peanuts are edible seeds that grow in pods. They are part of the botanical family Fabaceae, also known as Leguminosae, commonly referred to as the legume, bean, or pea family.
Peanuts are grown mainly for their edible seeds, which are contained in underground pods. This is an unusual feature known as geocarpy, which led botanist Carl Linnaeus to name the species hypogaea, or 'under the earth'. Despite not meeting the botanical definition of a nut, they are often categorized as nuts for culinary purposes and in common English.
Peanuts are similar in taste and nutritional profile to tree nuts such as walnuts and almonds. They are rich in healthy unsaturated fats, fiber, and several vitamins and minerals. People who eat them regularly tend to have lower rates of heart disease.
When it comes to the keto diet, opinions vary on whether peanuts are a good choice. Some people consider them a "'meh'" keto snack, while others include them regularly in their keto diet without any issues. Peanuts have a relatively low carb content, with about 1g of net carbs per serving. However, some people claim that consuming peanuts caused their weight loss to stall.
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Portion control is key
Peanuts are a good source of low-carb, ketogenic protein and can be included in a keto diet. However, portion control is key.
Firstly, it's important to note that peanuts are technically legumes, not nuts. This means they belong to the same family as beans and peas. Legumes are not approved for low-carb diets, but peanuts have a nutrition composition much closer to nuts than beans and peas.
Peanuts have a relatively high net carb content, with around 6g to 9g of net carbs per ounce, depending on the type of peanut. This could quickly use up a significant portion of your daily carb allowance if you're not careful. For example, Spanish peanuts have around 9 grams of carbs per serving.
To stay within the strict keto guidelines, which typically limit total daily carb intake to 20 grams, it's crucial to practice strict portion control when consuming peanuts. A small handful, equivalent to roughly one ounce or 28 grams, can be a good starting point. It's also a good idea to pre-measure a portion and put the rest away before you start eating to avoid overeating.
Additionally, pairing peanuts with something high in fat, like cheese, can make for a more satisfying snack that you are less likely to overeat.
By practicing portion control and being mindful of your daily carb intake, you can enjoy peanuts as part of a keto-friendly diet.
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Frequently asked questions
Yes, Spanish peanuts are keto-friendly when consumed in moderation. They have a low net carb content of around 6 to 9 grams of net carbs per ounce. However, they are high in fat, so it is recommended to consume them in moderation to maintain ketosis.
It is important to practice portion control when consuming Spanish peanuts on a keto diet. A small handful, or roughly one ounce (28 grams), is a good starting point. It is also recommended to measure your servings accurately to ensure you do not exceed your daily carb limit.
Yes, in addition to Spanish peanuts, there are several other types of peanuts that are keto-friendly when consumed in moderation. These include raw, boiled, or roasted peanuts, as well as natural peanut butter. However, dry-roasted peanuts are generally not recommended due to their higher carb content.









































