Whole grain mustard is *excellent for keto with only ~1.8g net carbs per 100g*. Its textured mustard seeds deliver big, tangy flavor for minimal carbs—ideal for lifting meats, salads, and sauces without nudging you out of ketosis.
Is Whole Grain Mustard Keto?

Whole grain mustard is *excellent for keto with only ~1.8g net carbs per 100g*. Its textured mustard seeds deliver big, tangy flavor for minimal carbs—ideal for lifting meats, salads, and sauces without nudging you out of ketosis.
- Net carbs (100g)1.8g
- Protein (100g)3.5g
- Fat (100g)6.5g
- Keto verdictKeto-friendly
NUTRITION FACTS
Per 100g (raw)
Source: USDA FoodData Central
WHY IT'S KETO-FRIENDLY
- Very low net carbs (~1.8g/100g); typical servings are small (1–2 tsp)
- Minimal glycemic impact: unlikely to affect blood glucose or ketosis
- Whole mustard seeds add a touch of fiber with big flavor
- Versatile: whisk into dressings, glazes, and sauces or use as a condiment
- Pairs perfectly with high-fat foods to balance keto macros
- Mustard seeds provide polyphenols and trace minerals
HEALTH BENEFITS
- Contains antioxidants (polyphenols) that may help counter oxidative stress
- Provides trace selenium which supports antioxidant defenses
- Naturally low sugar and low carb for metabolic-friendly seasoning
- Acidity and spice can stimulate appetite and digestive secretions
- Small amount of fiber from whole seeds may support gut health
- Lower-calorie flavor booster compared with many sauces
PREPARATION SUGGESTIONS
WHOLE GRAIN MUSTARD SAUCE
Whisk with *mayonnaise* and herbs for a creamy, tangy sauce for burgers, pork, or roasted chicken.
KETO SALAD DRESSING
Combine 2 tbsp whole grain mustard with *olive oil*, apple cider vinegar, minced garlic, salt, and pepper for a sharp vinaigrette.
MUSTARD MARINADE
Stir together mustard, *olive oil*, Worcestershire sauce, and garlic; marinate beef or pork before roasting or grilling.
DEVILED EGGS TOPPING
Blend with mayo and paprika for a classic deviled egg filling; add a few whole seeds on top for texture.
CONDIMENT SPREAD
Spread directly on *keto bread*, cold cuts, or serve as a dip with cheese and cured meats.
MUSTARD BUTTER
Mix with softened *butter* and herbs to make a compound butter; melt over steak or salmon.