King Crab Nutrition Facts

FoodData Central Updated 6 April 2026

3 oz of king crab contains 71.4 calories, 15.5g protein, 0g carbs, and 0.5g fat. King Crab is a protein-rich food that is low in calories. It is a good source of protein.

71.4

cal

0g

carbs

15.5g

protein

amino acids ↓

0.5g

fat

0g

fiber

sugar

Vitamins in King Crab

Per 3 oz ~85g

Vitamin A
5.95mcg
<1%
Vitamin C
5.95mg
7%
Vitamin B6
0.13mg
8%
Vitamin B12
7.65mcg
319%
Thiamin (B1)
0.03mg
3%
Niacin (B3)
0.94mg
6%
Folate
37.4mcg
9%

Minerals in King Crab

Per 3 oz ~85g

Calcium
39.1mg
3%
Iron
0.5mg
3%
Magnesium
41.6mg
10%
Phosphorus
186mg
15%
Potassium
173mg
4%
Sodium
711mg
31%
Zinc
5.06mg
46%
Selenium
30.9mcg
56%
Copper
0.78mg
87%
Manganese
0.03mg
1%

Amino Acids in King Crab

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

Complete protein

King Crab 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 316mg 372mg 2%
Isoleucine 754mg 887mg 4.8%
Leucine 1234mg 1452mg 7.9%
Lysine 1353mg 1592mg 8.7%
Methionine 438mg 515mg 2.8%
Phenylalanine 657mg 773mg 4.2%
Threonine 630mg 741mg 4.1%
Tryptophan 217mg 255mg 1.4%
Valine 732mg 861mg 4.7%
Other Amino Acids Per 3 oz (85g) Per 100g % of Protein
Alanine 881mg 1036mg 5.7%
Arginine 1358mg 1598mg 8.7%
Aspartic Acid 1607mg 1891mg 10.3%
Cystine 174mg 205mg 1.1%
Glutamic Acid 2652mg 3120mg 17.1%
Glycine 938mg 1103mg 6%
Proline 513mg 603mg 3.3%
Serine 612mg 720mg 3.9%
Tyrosine 518mg 609mg 3.3%

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 King Crab

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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.