Mustard Seed Nutrition Facts

FoodData Central Updated 30 March 2026

One tablespoon of mustard seed contains 30.5 calories, 1.6g protein, 1.7g carbs, and 2.2g fat. Mustard Seed is a spice that is calorie-dense. It is high in protein, rich in dietary fiber, rich in calcium, a good source of iron, and rich in potassium.

30.5

cal

1.7g

carbs

1.6g

protein

amino acids ↓

2.2g

fat

0.7g

fiber

0.4g

sugar

Vitamins in Mustard Seed

Per Tbsp ~6g

Vitamin A
0.12mcg
<1%
Vitamin C
0.43mg
<1%
Vitamin E
0.3mg
2%
Vitamin K
0.32mcg
<1%
Vitamin B6
0.02mg
1%
Thiamin (B1)
0.05mg
4%
Niacin (B3)
0.28mg
2%
Folate
9.72mcg
2%

Minerals in Mustard Seed

Per Tbsp ~6g

Calcium
16mg
1%
Iron
0.55mg
3%
Magnesium
22.2mg
5%
Phosphorus
49.7mg
4%
Potassium
44.3mg
<1%
Sodium
0.78mg
<1%
Zinc
0.36mg
3%
Selenium
12.5mcg
23%
Copper
0.04mg
4%
Manganese
0.15mg
6%

Amino Acids in Mustard Seed

Protein breakdown per tbsp (6g), from the USDA record for this food.

Complete protein

Mustard Seed supplies all nine essential amino acids at or above the FAO/WHO adult reference pattern.

Essential Amino Acids Per tbsp (6g) Per 100g % of Protein
Histidine 53mg 878mg 3.4%
Isoleucine 71mg 1183mg 4.5%
Leucine 125mg 2080mg 8%
Lysine 111mg 1844mg 7.1%
Methionine 29mg 483mg 1.9%
Phenylalanine 70mg 1173mg 4.5%
Threonine 50mg 838mg 3.2%
Tryptophan 15mg 256mg 1%
Valine 91mg 1509mg 5.8%
Other Amino Acids Per tbsp (6g) Per 100g % of Protein
Alanine 70mg 1173mg 4.5%
Arginine 116mg 1933mg 7.4%
Aspartic Acid 146mg 2435mg 9.3%
Cystine 41mg 680mg 2.6%
Glutamic Acid 316mg 5265mg 20.2%
Glycine 95mg 1587mg 6.1%
Proline 169mg 2810mg 10.8%
Serine 46mg 759mg 2.9%
Tyrosine 49mg 809mg 3.1%

Protein quality is scored against the FAO/WHO/UNU 2007 adult indispensable amino acid reference pattern. The FDA publishes no Daily Values for individual amino acids, so the share of total protein is shown instead.

Learn More About Mustard Seed

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Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.