Blue Crab Nutrition Facts

FoodData Central Updated 6 April 2026

Blue Crab contains 103.8 calories, 22.3g protein, 0g carbs, and 0.9g fat. Blue Crab is listed in the protein foods category that is low in calories. It is a good source of protein.

103.8

cal

0g

carbs

22.3g

protein

amino acids ↓

0.9g

fat

0g

fiber

0g

sugar

Vitamins in Blue Crab

Per Can (6.5 oz), drained ~125g

Vitamin A
1.25mcg
<1%
Vitamin C
4.13mg
5%
Vitamin E
2.3mg
15%
Vitamin K
0.38mcg
<1%
Vitamin B6
0.2mg
12%
Vitamin B12
4.16mcg
173%
Thiamin (B1)
0.03mg
2%
Niacin (B3)
3.44mg
21%
Folate
63.8mcg
16%

Minerals in Blue Crab

Per Can (6.5 oz), drained ~125g

Calcium
114mg
9%
Iron
0.63mg
3%
Magnesium
45mg
11%
Phosphorus
293mg
23%
Potassium
324mg
7%
Sodium
704mg
31%
Zinc
4.76mg
43%
Selenium
53.6mcg
98%
Copper
1.01mg
113%
Manganese
0.09mg
4%

Amino Acids in Blue Crab

Protein breakdown per can (6.5 oz), drained (125g), from the USDA record for this food.

Complete protein

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

Essential Amino Acids Per can (6.5 oz), drained (125g) Per 100g % of Protein
Histidine 491mg 393mg 2.2%
Isoleucine 970mg 776mg 4.3%
Leucine 1634mg 1307mg 7.3%
Lysine 1733mg 1386mg 7.8%
Methionine 565mg 452mg 2.5%
Phenylalanine 885mg 708mg 4%
Threonine 909mg 727mg 4.1%
Tryptophan 283mg 226mg 1.3%
Valine 1008mg 806mg 4.5%
Other Amino Acids Per can (6.5 oz), drained (125g) Per 100g % of Protein
Alanine 1118mg 894mg 5%
Arginine 2199mg 1759mg 9.8%
Aspartic Acid 2113mg 1690mg 9.5%
Cystine 234mg 187mg 1%
Glutamic Acid 3293mg 2634mg 14.7%
Glycine 1339mg 1071mg 6%
Proline 848mg 678mg 3.8%
Serine 848mg 678mg 3.8%
Tyrosine 823mg 658mg 3.7%

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 Blue Crab

Similar Foods

Compare Blue Crab 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.