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Grapefruit, flesh only, raw, weighed with peel and pips

Grapefruit is a citrus fruit. This entry describes the raw flesh, with nutrient values calculated per 100g of fruit weighed with its peel and pips, rather than per 100g of flesh alone. It mainly provides water and carbohydrate, alongside vitamin C. On this basis, it provides 102 kJ of energy, 4.9g of carbohydrate, 4.9g of sugars and 25mg of vitamin C.

Vitamin C supports normal immune function and helps the body absorb iron from plant foods. The sugars in raw grapefruit occur naturally within the fruit. Grapefruit can also interact with some medicines, affecting their levels in the body and increasing the risk of side effects. Full nutrient figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

24 kcal

Energy

102 kJ

Fat

0.4g

of which saturates

0.05g

Carbohydrate

4.9g

of which sugars

4.9g

Fibre

0.6g

Protein

0.6g

Salt

0g

Alcohol

0g

Water

63g

Cholesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

37µg

Vitamin D

0µg

Vitamin E

0.19mg

Vitamin K1

0.01µg

Vitamin C

25mg

Thiamin (B1)

0.05mg

Riboflavin (B2)

0.01mg

Niacin (B3)

0.2mg

Vitamin B6

0.01mg

Vitamin B12

0µg

Folate

16µg

Calcium

16mg

Iron

0.06mg

Magnesium

6mg

Phosphorus

13mg

Potassium

92mg

Sodium

1mg

Zinc

Trace

Copper

0.03mg

Selenium

Trace

Iodine

Trace

Other types of grapefruit

Food

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Grapefruit, flesh only, raw

34 kcal

0.89g

0.5g

0.9g

Grapefruit, canned in juice, whole contents

30 kcal

0.6g

Trace

–

Grapefruit, canned in syrup, whole contents

60 kcal

0.5g

Trace

–

About these figures

Values are per 100g of the food as described (Calculated from 14-384). "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