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Home/Food Benefits/Crab
Seafood

What Is Crab Good For?

FoodData CentralUpdated 30 March 2026

Crab is a protein-rich food that is low in calories. It is a good source of protein and rich in potassium. Discover the nutritional benefits and how crab can support your health goals.

Crab provides 74 calories, 15.4g protein, 0g carbohydrates, and 0.9g fat per 3 oz (85g). It is a source of Vitamin C (3mg per 100g) and can be part of a balanced diet as part of a varied nutritional plan.

Key Benefits of Crab

  • Excellent source of protein for muscle building
  • Very low in fat while providing good protein
  • Low in carbohydrates, suitable for keto diets
  • Very low in sugar
  • Good source of vitamin B12 for nerve function
  • Rich in potassium for heart health and blood pressure regulation
  • Contains zinc for immune function and wound healing
  • Source of selenium, an important antioxidant mineral
  • Excellent source of omega-3 fatty acids

Crab Is Best For

Muscle recoveryLow-fat dietsLow-carb dietsBlood sugar managementHeart healthBrain health

Nutrition Highlights

  • 15.4g of protein per serving

Complete Nutritional Profile

Per 3 oz (85g)

74

cal

0g

carbs

15.4g

protein

0.9g

fat

0g

fiber

Related Foods

Abalone

89.3 cal | 14.5g protein

Ahi Tuna

17.4 cal | 3.9g protein

Albacore Tuna Canned

220.2 cal | 40.6g protein

Anchovy

58.8 cal | 8.1g protein

Learn More About Crab

Is Crab Healthy?Calories in CrabCarbs in CrabProtein in CrabFat in CrabFiber in CrabAll Seafood

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