Mustard seeds
Last updated 4 Nov 2026
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Mustard seeds are the seeds of the mustard plant, used as a spice whole or ground. The data supplied are drawn from literature sources and refer to the seeds rather than prepared mustard. Per 100g, they provide 29g of fat, 25g of protein, 520mg of calcium and 300mg of magnesium.
Protein supports the growth and repair of body tissues, while calcium helps maintain bones and teeth. Magnesium contributes to normal muscle and nerve function. Most of the fat in mustard seeds is unsaturated, and the seeds contain little salt. Salt content may differ in prepared mustard products. Full nutrient figures are provided in the tables below.
Nutrition per 100g
Nutrient | Per 100g |
|---|---|
Fat | 29g |
of which saturates | 1.5g |
25g | |
Salt | 0.01g |
Water | 6.9g |
Cholesterol | 0mg |
Vitamins and minerals per 100g
Nutrient | Per 100g |
|---|---|
6µg | |
0µg | |
0mg | |
0.54mg | |
0.38mg | |
7.9mg | |
0µg | |
0µg | |
520mg | |
19mg | |
300mg | |
840mg | |
680mg | |
Sodium | 5mg |
4.7mg | |
0.41mg |
About these figures
Values are per 100g of the food as described (Literature sources). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.