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Crabs - Carbs, Glycemic Index, Fats, Minerals, Vitamins & much more

Crabs consist of 2% fat, 19% protein, 1% carbs, 0% fiber and 76% water. With 91 of calories per 100g it's 111% higher than other foods in Crustaceans and molluscs. In total 19.78% of the calories in Crabs come from fat, 83.52% from protein and 4.4% from carbohydrates.

  • Low carb Only 1 carbs per serving
  • Fructose free Contains no fructose
  • Gluten free
  • Lactose free
  • high Zinc Covers 22% of Zinc RDA per portion
  • high Magnesium Covers 21.88% of Magnesium RDA per portion

Can you eat Crabs for a low carb diet?

With 1g of carbs per 100g, Crabs is low in carbs. It contains no Fructose, is Gluten free and has no Lactose.

Crabs nutrition facts & data

Nutrition facts
per 100g
avg Crustaceans and molluscs[1]
Calories (kcal) 91 82.2
Fat (g) 2 1.5
Protein (g) 19 15.7
Carbohydrates (g) 1 1.6
Mono- & Di-Saccharides (g) 0 1.6
Polysaccharides (g) 1 1.6
Fibers (g) 0 0
Sodium (mg) 145 286.8
Water (g) 76 79.4
[1] average of Crustaceans and molluscs

Breakdown in percent (%) of total calories

An average portion size (100g) of Crabs contains

  • 91 Calories
  • 2g of Fat
  • 19g of Protein
  • and 1g of Carbs
  • 145mg of sodium - 9.67% of the RDA for sodium.
  • 70mg of Magnesium, that covers 21.88% of the recommended daily allowance (RDA) for Magnesium.
  • 2.2mg of Zinc - 22% of the RDA for Zinc.
  • 1.7mg of Iron - 14.17% of the RDA for Iron.
  • 265mg of Potassium - 6.63% of the RDA for Potassium.
  • 2mg of Vitamin C - 1.9% of the RDA for Vitamin C.
  • 0.8mg of Vitamin B12 - 26.67% of the RDA for Vitamin B12.

For every gram of carbs in Crabs you get

  • 19 grams of protein compared to the average of 0.46g per gram of carbs among all foods. Other foods in Crustaceans and molluscs have on average 9.81g of proteins per 1 gram of carbs.
  • 2 grams of fat (total average 0.66g, other foods in Crustaceans and molluscs 0.94g)
  • 0 grams of fibers (total average 0.13g, other foods in Crustaceans and molluscs 0g)

Nutrient distribution per gram

What vitamins are in Crabs?

per 100g
Vitamin C (mg) 2 1.8
Vitamin E (mg) 4 1.3
Vitamin B1 / Thiamine (mg) 0.05 0.1
Vitamin B2 (mg) 0.03 0.1
Vitamin B6 (mg) 0.13 0.3
Vitamin B9 / Folate (μg) 7 13.4
Vitamin B12 (μg) 0.8 3.3
Retinol (μg) 2 19.8
beta-Carotene (μg) 0 0.2
[1] average of Crustaceans and molluscs

Is Crabs rich in vitamins?


The following chart displays the amount of vitamins per portion Size (100g) for Crabs of the recommended daily allowance (RDA[1]) for each vitamin in percent.

[1]RDA for a 20+ year old male

Minerals in Crabs

per 100g
Magnesium (mg) 70 41.8
Zinc (mg) 2.2 3.7
Sodium (mg) 145 286.8
Calcium (mg) 90 69.5
Iron (mg) 1.7 2.6
Potassium (mg) 265 260
Phosphorus (mg) 225 193.6
[1] average of Crustaceans and molluscs

Is Crabs high in minerals?


Again, for every mineral contained in Crabs we looked at the portion size (100g) and applied it to the recommended daily allowance (RDA[1]). Data is shown in percent of RDA per portion size.

[1]RDA for a 20+ year old male

Carbohydrates in Crabs

1% of Crabs are carbs, per serving (100g) that is 1g of carbs.

Monosachharides and polysaccharides

per 100g
Monosaccharides (g) 0 0
Polysaccharides (g) 1 1.6
Total carbs (g) 1 1.6
[1] average of Crustaceans and molluscs

Allergens in Crabs

  • is Gluten free
  • has no Lactose
  • no Fructose

Fatty acids and cholesterol in Crabs

Of the 2g total fat per 100g, 0.2g are saturated fatty acids (SFA), 0.5g are monounsaturated fatty acids (MUFA) and 0.3g are polyunsaturated fatty acids (PUFA). The amount of cholesterol is 140mg.