Blog Diets Is Ketchup Keto? A Deep Dive into the Nutritional Facts and Keto Alternatives

Is Ketchup Keto? A Deep Dive into the Nutritional Facts and Keto Alternatives

Ketchup is a beloved and versatile condiment, gracing the tables of countless households and adding a burst of flavor to a wide variety of dishes. Its tangy taste and smooth texture makes it the perfect companion for everything from fries to hamburgers, and even as an ingredient in more complex recipes.


However, for those adhering to a ketogenic diet, slathering this tomato-based condiment on every food might not be a great idea.

That’s because hidden sugars are a real threat to those following a keto diet, and unfortunately, many popular condiments can be guilty of harboring these unwanted carbs and ruining carb cycling.

In this blog post, we will take an in-depth look at the nutritional facts of ketchup, explore its compatibility with the keto diet, and provide you with some low-carb alternatives to ensure your meals remain both flavorful and keto-friendly.

Is Ketchup Keto Friendly?

No, ketchup is generally not considered keto-friendly. The primary reason for this is its high sugar content, which comes from the added sugars and natural sugars present in tomatoes.

Most store-bought ketchups contain around 4-5 grams of sugar per tablespoon, making it difficult to fit it into a strict keto diet that typically limits daily carbohydrate intake to 20-50 grams (2).

While tomatoes are indeed a low-carb vegetable, the process of making ketchup involves concentrating the natural sugars, thereby increasing the overall sugar content in the final product.

Furthermore, many ketchup brands add high-fructose corn syrup or other sweeteners to enhance flavor. This contributes additional carbs and sugars that are not suitable for a keto diet. As a result, consuming regular ketchup can potentially knock you out of ketosis, the metabolic state where your body burns fat for fuel instead of carbohydrates.

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However, there are alternative options available for those who still want to enjoy the taste of ketchup while maintaining their keto lifestyle. Many companies now produce sugar-free or reduced-sugar ketchup varieties that use alternative sweeteners like stevia or erythritol.

These low-carb ketchups can be a more suitable choice, allowing you to indulge in your favorite condiment without compromising your keto goals

is ketchup keto

Is No Sugar Added Ketchup Keto?

No Sugar Added Ketchup can be considered keto-friendly when compared to traditional ketchup, as it contains significantly fewer carbs and sugars.

However, it’s essential to check the nutritional information on the label carefully, as some brands may still have a higher carb count than desired for a strict keto diet.

No Sugar Added Ketchups typically use alternative sweeteners like stevia, erythritol, or monk fruit extract to provide sweetness without adding carbs from sugar. These sweeteners have little to no impact on blood sugar levels, making them suitable for a keto diet.

When choosing a No Sugar Added Ketchup for your keto lifestyle, look for products with the lowest carb count per serving and no hidden sources of carbohydrates, such as corn syrup or maltodextrin.

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Keep in mind that moderation is key, as consuming large quantities of any condiment may still contribute to exceeding your daily carb limit.

By paying close attention to nutritional labels and practicing portion control, you can enjoy ‘No Sugar Added Ketchup’ as part of your ketogenic diet.

Read more: Delicious No Flour Keto Bechamel Recipes.

What Ketchup Is Keto Friendly? 

Keto-friendly ketchup options typically have reduced sugar content and use alternative sweeteners that don’t impact blood sugar levels.

Here are some key characteristics of keto-friendly ketchups:

No Sugar Added

Look for ketchups labeled as “No Sugar Added” or “sugar-free.” These varieties eliminate or significantly reduce sugar content, making them more suitable for a keto diet.

Alternative Sweeteners

Keto-friendly ketchups often use sweeteners like stevia, erythritol, or monk fruit extract, which have minimal effects on blood sugar levels and are low in carbohydrates.


A keto-friendly ketchup should have a low carb count per serving, ideally around 1 gram or less. Always check the nutritional information on the label to ensure the carb content aligns with your keto goals.

Natural Ingredients

Opt for ketchups made with natural ingredients and without artificial preservatives or flavorings. This might not only contribute to a healthier overall diet but also helps avoid hidden sources of carbs.

Homemade Ketchup 

If you prefer to have full control over the ingredients and carb count, consider making your own keto-friendly ketchup using tomato sauce, vinegar, and keto-approved sweeteners.

Homemade Keto Ketchup Recipe (1)

Sugar-free, sweet, tangy, and delicious – this keto-friendly ketchup is the perfect keto friendly dressing for your favorite dishes. Best of all, it’s easy to make and takes only 10 minutes of your time.

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  • 6 oz tomato paste
  • 2 tablespoon apple cider vinegar
  • 2 tablespoon white vinegar
  • 1/4 cup brown sugar substitute
  • 1 teaspoon onion powder
  • 1/2 teaspoon garlic powder
  • 1 teaspoon salt
  • 1 cup water


  1. Combine the tomato paste, vinegars, sweetener, onion powder, garlic powder, and salt in a medium saucepan over medium heat. 
  2. Whisk in the water and bring to a boil, then reduce the heat to low and simmer for 10 minutes. 
  3. Remove from heat and allow to cool for 10 minutes, stirring occasionally. 
  4. Transfer the ketchup to a blender and blend until smooth. 
  5.  Store in an airtight container for up to one week in the refrigerator. 

Nutritional information: Serving: 2 tablespoons, Calories: 8kcal, Carbohydrates: 2g, Protein: 1g, Fat: 1g, Sodium: 184mg, Potassium: 86mg, Fiber: 1g, Vitamin A: 130 IU, Vitamin C: 2mg, Calcium: 3mg, Iron: 1mg

This recipe is courtesy of

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What Is a Good Substitute for Ketchup While On The Keto Diet?

A good substitute for ketchup while on the keto diet should be low in carbs and sugars, while still providing a flavorful addition to your meals. Here are some keto-friendly alternatives to ketchup:


Mustard is a great low-carb alternative, with most types containing little to no sugar or carbs. It adds a tangy kick to your dishes and can be used as a dipping sauce or a topping for keto hamburguesas and hot dogs.

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Full-fat mayonnaise is another keto-friendly option that can add creaminess and flavor to your meals. Be sure to choose a brand with no added sugar or make your own at home with simple ingredients like eggs, oil, and vinegar.

Hot Sauce

Low-carb keto hot sauces can add a spicy twist to your dishes without adding extra carbs. Check the label to ensure there are no hidden sugars or high-carb ingredients.


Homemade or store-bought pesto made from fresh basil, garlic, olive oil, and pine nuts can add a burst of flavor to your meals while remaining keto-friendly.


Rich in best fats for Keto guacamole is a delicious and keto-approved alternative to ketchup. Use it as a dipping sauce or as a topping for burgers and other dishes.

keto ketchup recipe

Sugar-Free BBQ Sauce

Some companies produce sugar-free BBQ sauces that use keto-friendly sweeteners, making them a suitable alternative for adding smoky flavors to your meals.


Opt for a fresh, homemade salsa or a store-bought version with no added sugar. Salsa can add a zesty and flavorful kick to your meals while staying low in carbs.


This garlicky mayonnaise-based sauce is a delicious addition to sandwiches, burgers, or as a dipping sauce. Make it at home with garlic, lemon juice, egg yolks, and olive oil to control the ingredients and carb content.


A Greek yogurt-based sauce made with cucumber, garlic, and fresh herbs, tzatziki is a refreshing and low-carb alternative to ketchup. Use it as a dip or a topping for grilled meats and vegetables.

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This Argentinian sauce made with fresh parsley, cilantro, garlic, red pepper flakes, vinegar, and olive oil is a flavorful and keto-friendly option that pairs well with grilled meats and vegetables.

Sugar-Free Tomato Sauce

Some companies produce sugar-free tomato sauces that can be used as a base for homemade ketchup or as a substitute on its own. Check the label for carb content and added sugars.


Made from finely chopped olives, capers, and olive oil, tapenade is a savory and low-carb spread that can replace ketchup in some dishes, such as burgers or sandwiches.

Remember to check the nutritional information on any store-bought products to ensure they align with your keto goals and don’t contain hidden sugars or high-carb ingredients. By exploring these alternatives, you can continue to enjoy flavorful meals without compromising your ketogenic diet.

Read more: The Perfect Keto Chicken Thighs Recipe For A Quick Dinner.

keto friendly ketchup

The Bottom Line

The bottom line is that traditional ketchup is generally not keto-friendly due to its high sugar content. However, there are alternatives available, such as ‘No Sugar Added Ketchup’ and various keto-friendly substitutes like mustard, mayonnaise, hot sauce, pesto, guacamole, and more.

When choosing a substitute, always check the nutritional information to ensure it aligns with your keto goals and doesn’t contain hidden sugars or high-carb ingredients.

By exploring these options and practicing portion control, you can continue to enjoy flavorful meals without compromising your ketogenic diet.



This article is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional advice or help and should not be relied on to make decisions of any kind. Any action you take upon the information presented in this article is strictly at your own risk and responsibility!


  1. Ketchup, restaurant (2019, 
  2. Sugar Free Ketchup (2022, 
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