Mussels Nutrition Facts

FoodData Central Updated 30 March 2026

3 oz of mussels contains 146.2 calories, 20.2g protein, 6.3g carbs, and 3.8g fat. Affordable shellfish high in protein, iron, and vitamin B12.

146.2

cal

6.3g

carbs

20.2g

protein

amino acids ↓

3.8g

fat

0g

fiber

sugar

Vitamins in Mussels

Per 3 oz ~85g

Vitamin A
77.3mcg
9%
Vitamin C
11.6mg
13%
Vitamin B6
0.09mg
5%
Vitamin B12
20.4mcg
850%
Thiamin (B1)
0.26mg
21%
Niacin (B3)
2.55mg
16%
Folate
64.6mcg
16%

Minerals in Mussels

Per 3 oz ~85g

Calcium
28.1mg
2%
Iron
5.71mg
32%
Magnesium
31.4mg
7%
Phosphorus
242mg
19%
Potassium
228mg
5%
Sodium
314mg
14%
Zinc
2.27mg
21%
Selenium
76.2mcg
138%
Copper
0.13mg
14%
Manganese
5.78mg
251%

Amino Acids in Mussels

Protein breakdown per 3 oz (85g), from the USDA record for this food.

Complete protein

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

Essential Amino Acids Per 3 oz (85g) Per 100g % of Protein
Histidine 388mg 457mg 1.9%
Isoleucine 881mg 1036mg 4.4%
Leucine 1425mg 1676mg 7%
Lysine 1512mg 1779mg 7.5%
Methionine 456mg 537mg 2.3%
Phenylalanine 725mg 853mg 3.6%
Threonine 871mg 1025mg 4.3%
Tryptophan 227mg 267mg 1.1%
Valine 884mg 1040mg 4.4%
Other Amino Acids Per 3 oz (85g) Per 100g % of Protein
Alanine 1224mg 1440mg 6.1%
Arginine 1476mg 1737mg 7.3%
Aspartic Acid 1952mg 2297mg 9.7%
Cystine 265mg 312mg 1.3%
Glutamic Acid 2752mg 3238mg 13.6%
Glycine 1266mg 1489mg 6.3%
Proline 825mg 971mg 4.1%
Serine 907mg 1067mg 4.5%
Tyrosine 648mg 762mg 3.2%

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 Mussels

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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.