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Nutritional Density
Food guide

Crab

Sweet shellfish meat that is high in protein, selenium and vitamin B12 with almost no fat.

SeafoodProtein-RichNutrient-Dense
Crab, a nutrient-dense seafood food, photographed on a plain linen surface

Nutrition per 100 g

Standardised to 100 g of crab, cooked for fair comparison. Typical serving: 100 g cooked — 97 kcal per 100 g serving.

Nutrition information for Crab
NutrientPer 100 gPer serving (100 g)Per 100 kcal
Energy97 kcal97 kcal100 kcal
Protein19.4 g19.4 g20 g
Carbohydrate0 g0 g0 g
Fat1.5 g1.5 g1.5 g
Fibre0 g0 g0 g

Figures are typical values and vary with variety, preparation and brand.

Micronutrients

Vitamins and minerals per 100 g of crab, with a typical serving and FDA Daily Value for adults.

Micronutrients for Crab
NutrientPer 100 gPer serving (100 g)% DV
Vitamins
Vitamin A1 µg1 µg<1%
Vitamin C3.3 mg3.3 mg4%
Vitamin D0 µg0 µg0%
Vitamin E1.8 mg1.8 mg12%
Vitamin K0.3 µg0.3 µg<1%
Thiamin0.023 mg0.023 mg2%
Riboflavin0.093 mg0.093 mg7%
Niacin2.7 mg2.7 mg17%
Vitamin B60.16 mg0.16 mg9%
Folate51 µg51 µg13%
Vitamin B123.3 µg3.3 µg138%
Pantothenic acid1 mg1 mg20%
Choline80.9 mg80.9 mg15%
Minerals
Calcium91 mg91 mg7%
Iron0.5 mg0.5 mg3%
Magnesium36 mg36 mg9%
Phosphorus234 mg234 mg19%
Potassium259 mg259 mg6%
Sodium395 mg395 mg17%
Zinc3.8 mg3.8 mg35%
Selenium42.9 µg42.9 µg78%
Copper0.81 mg0.81 mg90%
Manganese0.074 mg0.074 mg3%

Source: USDA FoodData Central — Crustaceans, crab, blue, cooked, moist heat

% DV uses FDA Daily Values for adults. Nutrients that USDA does not report for this entry are omitted. Values vary with variety, preparation and brand.

Why eat crab?

  • Outstanding B12 and selenium per calorie.
  • Ready to eat when bought picked and dressed.
  • Lean protein with a luxurious texture.

How to include it

  • Fold white meat through pasta with chilli and lemon.
  • Pile onto sourdough with mayonnaise and herbs.
  • Stir into a salad with avocado and cucumber.

Things to consider

  • Shellfish allergy can be severe.
  • Naturally higher in sodium than white fish.
  • Brown meat is much higher in fat and cadmium — eat less often.

Educational content. This article is for general information and is not medical advice. Speak to a qualified health professional about your individual circumstances.

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