Understanding Nut Butters and Keto
On a ketogenic diet, the goal is to consume a very low amount of carbohydrates, a moderate amount of protein, and a high amount of healthy fats. This macronutrient ratio forces the body into a state of ketosis, where it burns fat for fuel instead of glucose. Nut butters are a high-fat, high-satiety food that can fit perfectly into this plan, but their carb content varies significantly. The key metric for keto dieters is 'net carbs,' which is calculated by subtracting fiber from total carbohydrates. This provides a clearer picture of how a food will impact your daily carb count.
The Best Keto-Friendly Nut Butters
Some nut butters are naturally much lower in carbohydrates, making them safer choices for staying in ketosis. Always opt for natural versions that contain only nuts and salt to avoid hidden sugars and unhealthy oils.
Macadamia Nut Butter
Often considered the gold standard for keto nut butters due to its incredibly high fat and low net carb content. Macadamia nuts are rich in monounsaturated fats, which are excellent for heart health. A typical 2-tablespoon serving has just 2 grams of net carbs.
Pecan Butter
Similar to macadamia nuts, pecans are another top-tier choice for a low-carb diet. Pecan butter is high in beneficial fats and low in carbs, with approximately 1 gram of net carbs per ounce of nuts. It offers a rich, buttery flavor perfect for desserts or drizzling over low-carb pancakes.
Almond Butter
This is one of the most popular and widely available keto options. Almond butter has a balanced macronutrient profile, providing a good mix of healthy fats, fiber, and protein. A 2-tablespoon serving typically contains around 3 grams of net carbs. As with any nut butter, be sure to check for added sugars, which can significantly increase the carb count.
Hazelnut Butter
Hazelnut butter offers a distinct, rich flavor and is another excellent choice for a keto diet. It is relatively low in carbs and high in healthy fats. A 2-tablespoon serving generally contains about 3 grams of net carbs. It pairs well with chocolate flavors, making it ideal for keto-friendly desserts.
Nut Butters to Consume with Caution
Some nut butters can be incorporated into a keto diet but require careful portion control and label reading.
Peanut Butter
Peanuts are technically legumes, not nuts, and their carb count is slightly higher than many tree nuts. Natural, unsweetened peanut butter can fit into a keto diet, but it's essential to monitor your intake. A 2-tablespoon serving of natural peanut butter has around 4-5 grams of net carbs. Avoid commercial brands loaded with added sugar and hydrogenated oils.
Cashew Butter
Cashew butter is naturally creamier and sweeter, but this comes with a higher carbohydrate load. Due to their higher net carb count (around 7-8 grams per 2 tablespoons), cashews and cashew butter should be consumed in moderation. If you enjoy the creamy taste, use it sparingly as a treat rather than a daily staple.
Table: A Keto-Friendly Nut Butter Comparison (per 2 tbsp)
| Nut Butter | Net Carbs (g) | Total Fat (g) | Protein (g) | Keto-Friendliness | 
|---|---|---|---|---|
| Macadamia Nut | ~2 | ~21 | ~2 | Excellent | 
| Pecan | ~1 | ~20 | ~3 | Excellent | 
| Almond | ~3 | ~18 | ~6 | Very Good | 
| Hazelnut | ~3 | ~20 | ~4 | Very Good | 
| Peanut (Natural) | ~4-5 | ~16 | ~8 | Good (in moderation) | 
| Cashew | ~7-8 | ~16 | ~6 | Use with Caution | 
Making the Right Choice
To find a truly keto-friendly nut butter, your primary tools are the ingredient list and the nutrition facts label. Ignore fancy packaging or marketing claims. Here’s what to look for:
- Simple Ingredients: The best products list only the nut (e.g., 'roasted almonds') and maybe salt. Anything else is likely an unnecessary additive.
- Zero Added Sugars: Check for any form of added sugar, including honey, cane sugar, maple syrup, or corn syrup. These will quickly knock you out of ketosis.
- No Unhealthy Oils: Avoid butters that contain hydrogenated oils or processed vegetable oils like soybean or canola oil. These are often used as cheap fillers and are pro-inflammatory.
- Calculate Net Carbs: With the total carbs and fiber information, you can always be certain of a product's true impact on your daily carb count.
For ultimate control, consider making your own nut butter at home with a food processor. This is often cheaper and allows you to perfectly control the ingredients.
Conclusion: Which Nut Butter Is Keto?
The best options for a ketogenic diet are low-carb, high-fat spreads like macadamia nut butter and pecan butter. Almond butter and hazelnut butter are also excellent, readily available choices. While popular, peanut butter and cashew butter have higher net carb counts and should be consumed with more caution and in smaller portions to avoid compromising ketosis. The ultimate secret to success with any nut butter on keto lies in reading the nutrition labels carefully to avoid added sugars and staying mindful of portion sizes. Focusing on natural ingredients ensures you are fueling your body with the healthy fats it needs.
Harvard Health offers additional guidance on healthy fats for the keto diet.