Cusk Nutrition Facts

FoodData Central Updated 6 April 2026

3 oz of cusk contains 74 calories, 16.1g protein, 0g carbs, and 0.6g fat. Cusk is a protein-rich food that is low in calories. It is a good source of protein and rich in potassium.

74

cal

0g

carbs

16.1g

protein

amino acids ↓

0.6g

fat

0g

fiber

sugar

Vitamins in Cusk

Per 3 oz ~85g

Vitamin A
15.3mcg
2%
Vitamin B6
0.33mg
20%
Vitamin B12
0.88mcg
37%
Thiamin (B1)
0.03mg
3%
Niacin (B3)
2.29mg
14%
Folate
1.7mcg
<1%

Minerals in Cusk

Per 3 oz ~85g

Calcium
8.5mg
<1%
Iron
0.71mg
4%
Magnesium
26.3mg
6%
Phosphorus
173mg
14%
Potassium
333mg
7%
Sodium
26.3mg
1%
Zinc
0.32mg
3%
Selenium
31mcg
56%
Copper
0.02mg
2%
Manganese
0.02mg
<1%

Amino Acids in Cusk

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

Complete protein

Cusk 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 475mg 559mg 2.9%
Isoleucine 744mg 875mg 4.6%
Leucine 1312mg 1544mg 8.1%
Lysine 1482mg 1744mg 9.2%
Methionine 478mg 562mg 3%
Phenylalanine 631mg 742mg 3.9%
Threonine 708mg 833mg 4.4%
Tryptophan 181mg 213mg 1.1%
Valine 832mg 979mg 5.2%
Other Amino Acids Per 3 oz (85g) Per 100g % of Protein
Alanine 977mg 1149mg 6.1%
Arginine 966mg 1137mg 6%
Aspartic Acid 1653mg 1945mg 10.2%
Cystine 173mg 204mg 1.1%
Glutamic Acid 2410mg 2835mg 14.9%
Glycine 775mg 912mg 4.8%
Proline 571mg 672mg 3.5%
Serine 659mg 775mg 4.1%
Tyrosine 545mg 641mg 3.4%

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 Cusk

Similar Foods

Compare Cusk with other seafood.

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.