How much fiber is in dijon mustard?

October 27, 2025 •

3 min read

According to nutritional data, a single teaspoon of dijon mustard provides a minimal amount of fiber, often less than 0.5 grams. While the mustard seed itself is a good source of fiber, the processing and small serving size mean that dijon mustard does not significantly contribute to your daily fiber intake.

Quick Summary

Dijon mustard offers only a minimal amount of dietary fiber per serving, as it is a processed condiment used sparingly. The primary source of its fiber comes from the mustard seeds, but the preparation method and small portion size mean its contribution to a healthy diet is negligible, unlike whole foods.

Key Points

Minimal Fiber Content: A single teaspoon of dijon mustard contains less than 0.5 grams of fiber, making it a negligible source.
Source is Mustard Seed: Any fiber present in dijon mustard originates from the mustard seeds, but most is removed or milled during processing.
Processed vs. Whole: Whole grain mustards contain more fiber because they include coarsely ground seeds, unlike the smoother dijon variety.
Serving Size is Key: The small amount of dijon typically consumed means its nutritional impact on your daily fiber total is insignificant.
Better Fiber Sources: To boost your fiber intake, focus on alternatives like hummus, guacamole, and high-fiber whole spices.
Primary Purpose is Flavor: Dijon mustard should be appreciated for its taste and low-calorie profile rather than for its nutritional fiber content.

Understanding the Minimal Fiber in Dijon Mustard

Mustard, in general, is made from mustard seeds, a whole food that is naturally rich in dietary fiber. However, the processing of these seeds to create a smooth, prepared dijon mustard and the small amounts in which it is typically consumed drastically reduce its fibrous contribution. Most commercial brands of dijon mustard are made from mustard seeds, vinegar, white wine, water, and spices. The fiber that remains comes almost exclusively from the fine-milled mustard seed remnants.

Why Serving Size Matters for Fiber Content

A standard serving size for dijon mustard is a single teaspoon or tablespoon. A teaspoon of Grey Poupon dijon mustard, for instance, contains about 0.2 grams of dietary fiber. This is an incredibly small fraction of the recommended daily intake, which is between 25 and 38 grams for adults. While it adds a tiny amount, no one should consider dijon mustard a primary or even secondary source of fiber.

The Difference Between Prepared Mustard and Whole Seeds

The mustard seed, in its whole form, is quite fibrous. A study noted that mustard seeds are particularly rich in fiber, selenium, magnesium, and manganese. The processing to create prepared mustard removes much of this fibrous content. Whole grain or whole seed mustards will naturally contain more fiber, as they incorporate the whole, coarsely ground seeds, preserving more of their inherent dietary fiber. This contrasts sharply with the fine, smooth texture of traditional dijon mustard, which has had much of this material strained or blended into a near-paste.

Where to Find Significant Fiber in Condiments

If you are looking for condiments that are a meaningful source of fiber, you need to look beyond smooth mustards. Many other options can help boost your intake without adding much to your overall calories.

Higher-Fiber Condiment Alternatives

Hummus: Made from chickpeas, hummus offers a great fiber boost. A 1/4 cup serving can provide over 3 grams of fiber.
Guacamole: Avocados are an excellent source of fiber. Mashed into guacamole, they retain this benefit, with one whole avocado containing up to 13.5 grams of fiber.
Spices and Herbs: Some spices, like cinnamon and coriander seed, contain significant fiber when used in larger quantities. Adding a tablespoon of cinnamon to a dish can offer a substantial fiber increase.

Dijon vs. Other Condiments: A Fiber Comparison

To put the fiber content of dijon mustard into perspective, consider this comparison table with other common condiments and spreads.


Condiment/Spread	Serving Size	Approximate Fiber Content	Note
Dijon Mustard	1 tsp	0.2 - 0.5g	Minimal contribution; primarily a flavor agent.
Hummus	1/4 cup	> 3g	A significant source due to chickpea base.
Guacamole	1/4 cup	> 3g (varies)	Excellent source, especially if homemade.
Whole-Grain Mustard	1 tsp	0.5 - 1g (varies)	Higher fiber due to inclusion of whole seeds.
Yellow Mustard	1 tsp	0.16g	Similar to dijon, very low fiber.

The Role of Fiber in a Balanced Diet

Dietary fiber is an essential nutrient that plays several critical roles in maintaining good health. It is broadly categorized into two types: soluble and insoluble fiber. Soluble fiber dissolves in water to form a gel-like material, which can help lower blood cholesterol and glucose levels. Insoluble fiber adds bulk to your stool and helps food pass more quickly through your stomach and intestines, promoting regularity. A healthy diet should include both types.

Since dijon mustard contains only trace amounts, it is not a practical way to meet these dietary needs. It is best enjoyed for its flavor rather than its nutritional density. People should focus on integrating whole foods, such as fruits, vegetables, legumes, and whole grains, to meet their daily fiber targets. These foods offer a wide range of other vitamins and minerals that processed condiments often lack.

Conclusion: A Flavorful Addition, Not a Fiber Source

In summary, while dijon mustard is a flavorful and low-calorie addition to many dishes, it should not be considered a source of dietary fiber. The processing of mustard seeds into a paste and the small serving sizes used means that any fiber from the seeds is minimal. For those looking to increase their fiber intake, the focus should be on nutrient-dense, whole food alternatives like hummus, guacamole, and high-fiber spices. Enjoy dijon for its distinct taste, but rely on other foods to meet your nutritional needs for fiber.

Frequently Asked Questions

No, dijon mustard is not considered a good source of fiber. A typical serving, such as a teaspoon or tablespoon, contains a minimal amount, usually less than half a gram, which makes a negligible contribution to your daily fiber requirements.

Yes, it contains a small amount. The fiber comes from the mustard seeds used to make the condiment. However, the fine milling process and small portion sizes mean very little of that fiber makes it to your plate in any significant quantity.

Whole-grain or whole-seed mustard contains the most fiber. Unlike dijon, these varieties include coarsely ground, whole mustard seeds, preserving more of the seed's natural fiber content.

The recommended daily fiber intake for adults is generally between 25 and 38 grams, although this can vary based on age and gender.

No, you should not rely on mustard to increase your fiber intake. Because of its minimal fiber content, it is not an effective way to meet your daily needs. Instead, focus on high-fiber whole foods.

For significant fiber, consider incorporating whole foods like fruits, vegetables, legumes, whole grains, nuts, and seeds. Specific examples of high-fiber condiments or spreads include hummus and guacamole.

Dijon mustard is typically made from mustard seed, white wine, vinegar, water, and salt, along with other spices. The wine and vinegar give it its distinct, tangy flavor.