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Kohl rabi, boiled in unsalted water

Kohl rabi is a vegetable with a swollen stem that is eaten after peeling. The figures here are for kohl rabi peeled thickly, diced and boiled in unsalted water. It provides carbohydrate and small amounts of protein and fat, alongside vitamins and minerals. Per 100g, it contains 3.1g of carbohydrate, 27mg of vitamin C, 47µg of folate and 240mg of potassium.

Vitamin C supports normal skin and connective tissue and helps the body absorb iron from plant foods. Folate is needed for normal cell division and blood cell formation. This preparation contains little salt; adding salt during cooking or at the table will increase the amount. Full nutritional figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

18 kcal

Energy

77 kJ

Fat

0.2g

of which saturates

Trace

Carbohydrate

3.1g

of which sugars

3g

Protein

1.2g

Salt

0.01g

Alcohol

0g

Water

93g

Cholesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

Trace

Vitamin D

0µg

Vitamin E

Trace

Vitamin C

27mg

Thiamin (B1)

0.08mg

Riboflavin (B2)

0.01mg

Niacin (B3)

0.2mg

Vitamin B6

0.11mg

Vitamin B12

0µg

Folate

47µg

Calcium

21mg

Iron

0.2mg

Magnesium

6mg

Phosphorus

30mg

Potassium

240mg

Sodium

3mg

Zinc

0.1mg

Copper

0.01mg

Iodine

1µg

Other types of kohl rabi

Food

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Kohl rabi, raw

23 kcal

1.6g

0.2g

–

About these figures

Values are per 100g of the food as described (Peeled thickly, diced and boiled 22 minutes, based on boiled in salted water). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Further reading and references

  • Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. GOV.UK.

Article history

The information on this page is written and peer reviewed by qualified clinicians.
  • 4 Nov 2026 | Latest version
  • 3 Nov 2026 | Originally published