Crustaceans, crab, blue, raw

1 crab (21 g): 18 kcal, 3.8 g protein, 0 g carbohydrate and 0.2 g fat.

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Nutrition Facts

Serving size1 crab (21 g)

Amount per serving

Calories20

% Daily Value*

Total Fat 0g	0%
Saturated Fat 0g	0%
Trans Fat —
Cholesterol 15mg	5%
Sodium 60mg	3%
Total Carbohydrate 0g	0%
Dietary Fiber 0g	0%
Total Sugars —
Includes Added Sugars —
Protein 4g	8%
Vitamin D —
Calcium 20mg	0%
Iron 0.2mg	0%
Potassium 70mg	0%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Estimated values. — means USDA has no value; ≥ is a lower bound. Source: USDA FoodData Central. Disclaimer.

What 1 crab (21 g) gives you

High in Vitamin B12 (79% DV)

Low in total fat, saturated fat, cholesterol, sodium

High is 20% of the Daily Value or more for this portion; low is 5% or less (FDA).

Where the calories come from

88% protein · 0% carbohydrate · 12% fat

Protein: 4 g 88%
Carbs: 0 g 0%
Fat: 0 g 12%

Compared with other foods

Per 100 g, against every food in USDA's data.

Calories: less than 75% of foods
Protein: more than 68% of foods
Total fat: less than 72% of foods
Carbohydrate: more than 27% of foods
Dietary fiber: none
Sodium: less than 28% of foods

All nutrients (50)

Amounts for 1 crab (21 g) and per 100 g. % Daily Value is for the portion, where the FDA sets one.

Energy and macronutrients (5)
Nutrient	Portion	100 g	% DV
Calories	18.3 kcal	87 kcal
Protein	3.79 g	18.1 g	8%
Carbohydrate	0.008 g	0.04 g	0%
Dietary fiber	0 g	0 g	0%
Water	16.6 g	79 g

Fats and fatty acids (7)
Nutrient	Portion	100 g	% DV
Total fat	0.227 g	1.08 g	0%
Saturated fat	0.047 g	0.222 g	0%
Monounsaturated fat	0.04 g	0.192 g
Polyunsaturated fat	0.081 g	0.387 g
Omega-3 EPA	0.036 g	0.17 g
Omega-3 DHA	0.032 g	0.15 g
Cholesterol	16.4 mg	78 mg	5%

Minerals (10)
Nutrient	Portion	100 g	% DV
Calcium	18.7 mg	89 mg	1%
Iron	0.155 mg	0.74 mg	1%
Magnesium	7.14 mg	34 mg	2%
Phosphorus	48.1 mg	229 mg	4%
Potassium	69.1 mg	329 mg	1%
Sodium	61.5 mg	293 mg	3%
Zinc	0.743 mg	3.54 mg	7%
Copper	0.14 mg	0.669 mg	16%
Manganese	0.032 mg	0.15 mg	1%
Selenium	7.85 mcg	37.4 mcg	14%

Vitamins (9)
Nutrient	Portion	100 g	% DV
Vitamin A	0.42 mcg	2 mcg	0%
Vitamin C	0.63 mg	3 mg	1%
Thiamin (B1)	0.017 mg	0.08 mg	1%
Riboflavin (B2)	0.008 mg	0.04 mg	1%
Niacin (B3)	0.567 mg	2.7 mg	4%
Pantothenic acid (B5)	0.073 mg	0.35 mg	1%
Vitamin B6	0.032 mg	0.15 mg	2%
Folate	9.24 mcg	44 mcg	2%
Vitamin B12	1.89 mcg	9 mcg	79%

Amino acids (18)
Nutrient	Portion	100 g
Tryptophan	0.053 g	0.251 g
Threonine	0.154 g	0.731 g
Isoleucine	0.184 g	0.875 g
Leucine	0.301 g	1.43 g
Lysine	0.33 g	1.57 g
Methionine	0.107 g	0.508 g
Cystine	0.042 g	0.202 g
Phenylalanine	0.16 g	0.763 g
Tyrosine	0.126 g	0.601 g
Valine	0.178 g	0.849 g
Arginine	0.331 g	1.58 g
Histidine	0.077 g	0.367 g
Alanine	0.215 g	1.02 g
Aspartic acid	0.392 g	1.87 g
Glutamic acid	0.647 g	3.08 g
Glycine	0.229 g	1.09 g
Proline	0.125 g	0.595 g
Serine	0.149 g	0.711 g

Other (1)
Nutrient	Portion	100 g	% DV
Alcohol	0 g	0 g

Similar foods

Sources

USDA FoodData Central record 174204(SR Legacy)
U.S. Department of Agriculture, Agricultural Research Service. FoodData Central. fdc.nal.usda.gov
Daily Values and high/low thresholds: FDA, 21 CFR 101.9, 101.54 and 101.62.