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Are Pistachios Keto-Friendly?

Pistachios on a kitchen counter

Are Pistachios Keto-Friendly? The straightforward answer is no, primarily due to their high carb content.

If you've been considering including pistachios in your ketogenic diet, this article will provide some essential insights regarding why pistachios might not be the best choice and suggest some keto-friendly alternatives.

We'll take a comprehensive look at the carb content in pistachios, explore the implications of consuming them while on a keto diet, and suggest some low-carb substitutes that you might consider instead.

As the ketogenic diet places a significant emphasis on low-carb intake, understanding the carb content in different foods, including pistachios, is crucial.


  • Are pistachios keto-friendly? No, they are not ideal for a keto diet due to their high carb content.
  • With 20.72g per 100g and 6.22g net carbs per typical 30g serving, pistachios can disrupt ketosis, the metabolic state pivotal to the ketogenic diet.
  • Despite their health benefits like potassium, magnesium, and iron, the high carb content in pistachios outweighs their nutritional advantages on a keto diet.

Are Pistachios Keto-Friendly?

Pistachios, while rich in nutrients and offering multiple health benefits, do not exactly fit into the category of being keto-friendly. The ketogenic diet hinges on a low-carb dietary intake, and with pistachios packing a substantial carbohydrate content, they may not align with the strict carb limits of a keto diet.

Considering the nutritional data, a 100g serving of pistachios contains 20.72g of carbs. This statistic alone suggests that pistachios might not be the best option for those following a strict ketogenic diet, where the daily net carb intake is typically kept below 20g to 50g. Furthermore, the typical serving size of 30g of pistachios contains 6.22g net carbs. For keto adherents who keep their daily carb intake to the lower end of the range, even a small serving of pistachios can take up a significant portion of their daily carb allowance.

Can You Have Pistachios On a Strict Keto Diet?

On a strict keto diet, where daily carb intake is limited to less than 20g, including pistachios in your meal plan could prove challenging. Given that a typical 30g serving of pistachios contains about 6.22g net carbs, even a small portion would account for a significant portion of your daily carb allowance.

Even for individuals following a more lenient low carb diet, where the daily net carb intake is capped at 30-50g, incorporating pistachios could still disrupt the careful balance. Consuming pistachios in this context would take up a large portion of the carb limit, leaving little room for other foods, and potentially jeopardizing the state of ketosis.

Carbs In Pistachios

Taking a closer look at the carbohydrate content of pistachios, it's clear that they can contribute significantly to daily carb intake. A 100g serving of pistachios contains 20.72g of carbs. To put it in perspective, in a typical serving size of 30g, there are 6.22g net carbs. This indicates that even a small portion of pistachios can contribute a considerable amount of carbs, especially when following a low-carb or ketogenic diet.

Pistachios Nutrition Facts

Pistachios are a nutritional powerhouse, packed with a variety of essential nutrients. A 100g portion provides 20.51g of protein, a building block for body tissues. It also includes 45.02g of total fats, vital for brain function, and a net carb content of 20.72g.

Pistachios are also rich in dietary fiber (6.97g), which aids in digestion and helps maintain a healthy gut. The carbohydrate content is relatively moderate at 27.69g.

On the micronutrient side, Pistachios are high in potassium (947.0mg), an electrolyte that supports nerve function and muscle control. The magnesium content (109.7mg) may help regulate muscle and nerve function, blood sugar levels, and blood pressure.

Calcium (117.4mg), essential for bone health, and iron (3.46mg), crucial for red blood cell formation, are also present. The phosphorous content reaches 499.6mg, playing a key role in how the body uses carbohydrates and fats.

The presence of copper (1.05mg), selenium (23.12ug), and zinc (2.18mg) reveals the role of pistachios in immune function, with these minerals known for their antioxidant properties.

Pistachios contain 3.87g of nitrogen, which is needed for the synthesis of amino acids, the building blocks of protein. Manganese (1.05mg) is involved in the metabolism of amino acids, cholesterol, glucose, and carbohydrates.

Nutrient NameAmount and Unit per 100g
Net Carbs20.72g
Carbohydrate, by difference27.69g
Fiber, total dietary6.97g
Total fats45.02g
Potassium, K947.0mg
Magnesium, Mg109.7mg
Calcium, Ca117.4mg
Copper, Cu1.05mg
Iron, Fe3.46mg
Phosphorus, P499.6mg
Selenium, Se23.12ug
Zinc, Zn2.18mg
Manganese, Mn1.05mg
Nutritional data is sourced from the US Department of Agriculture's FoodData Central system. Please see Cast Iron Keto's editorial and research standards for more information.

Health Implications of Pistachios on a Keto Diet

Including pistachios in a keto diet could pose challenges in maintaining ketosis due to their high carb content. However, it's worth noting that pistachios are packed with essential nutrients such as potassium, magnesium, and iron. They also contain beneficial dietary fiber and healthy fats which are crucial for overall health.

According to the nutritional data, pistachios contain 947.0mg of potassium per 100g serving, which supports heart and muscle function, as well as 109.7mg of magnesium, a mineral known for its role in over 300 metabolic reactions. They also provide iron, a key component for the production of red blood cells.

Keto-Compatible Alternatives for Pistachios

  1. Almonds: Almonds are a great keto-friendly alternative to pistachios. They are lower in carbs, with approximately 2.9g net carbs per 28g serving size, compared to pistachios' 6.22g net carbs per 30g. They can be used in a variety of keto recipes, such as almond flour for low-carb baking or as a crunchy topping for salads.
  2. Macadamia Nuts: These are another excellent choice. They have a total of 1.5g net carbs per 28g serving, making them one of the lowest carb nuts available. Macadamia nuts can be enjoyed raw, roasted, or even incorporated into keto desserts like chocolate chip cookies using sugar substitutes.
  3. Pecans: Pecans are not only tasty but also very keto-friendly with only 1.2g net carbs per 28g serving. They can be used to create a low-carb pecan pie or as a base for a crunchy crust in savory dishes.
  4. Walnuts: With 2g net carbs per 28g serving, walnuts are a good substitute for pistachios on a keto diet. They can be used in keto baking, salads, or roasted for a simple and satisfying snack.

Concluding Thoughts on Pistachios and Keto

In revisiting the subject of pistachios within the context of a keto diet, it's clear that while they offer several nutritional benefits, they may not align with the stringent carb limitations of this dietary lifestyle. Packed with beneficial nutrients like potassium, magnesium, and iron, pistachios are a nutritious snack. However, the high carb content, with 20.72g per 100g and 6.22g net carbs per typical 30g serving, can easily disrupt the balance of ketosis, especially for those strictly following a ketogenic diet.

This doesn't mean that pistachios are bad, but rather underscores the need for careful consideration and moderation when it comes to incorporating them into your diet, particularly for those committed to a ketogenic lifestyle. There are, however, several keto-friendly alternatives available, such as almonds, macadamia nuts, pecans, and walnuts. These substitutes can still provide nutritional benefits while keeping your carb intake within the keto limits.

Cast Iron Keto's Editorial and Research Standards

Certain rare or exotic food items may not have nutritional profiles in the FoodData Central database. If an exact match is not found in the FoodData Central database, then, the Cast Iron Keto team utilizes a three-prong approach to provide readers with the closest relevant nutritional data, where possible.

First, in the event that nutritional profiles for a rare or exotic food item is not available in the FoodData Central database, we investigate alternative names for that particular food item and use that data, when possible. Second, in cases where no alternate names exist, Cast Iron Keto will use nutritional data for a close relative or similar food item. Finally, if no close relatives or similar items exist, we refrain from publishing nutrient data tables.

When making dietary or health decisions based on FoodData Central's data, we suggest readers consult with a nutritionist or other health experts, particularly if the food in question has a significant role in your diet or if you are using the food item to treat any health disorder(s).

Furthermore, it is important to note that even if a close relative or similar item is used to approximate the nutritional data, different food items can have varying levels of nutrients due to factors such as soil quality, farming practices, and regional differences.


The information on this website is only intended to be general summary information for public use, designed for educational purposes only and is not engaged in rendering medical advice or professional services. This information does not replace written law or regulations, nor does it replace professional medical advice, diagnosis, or treatment. If you have questions about a medical condition or are seeking to evaluate the health merits of certain food items for the treatment of any medical condition, you should seek the advice of a doctor or other qualified health professionals.

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Frequently Asked Questions

No, due to their high carb content, pistachios are not ideal for a keto diet.

Yes, consuming pistachios can disrupt ketosis due to their high carb content.