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Grapefruits

By Shereen Jegtvig, About.com

Updated June 17, 2007

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

Grapefruit

Grapefruit

Photo © Brian Lary
About Grapefruit:

Grapefruit contains large amounts of vitamins C and A and lycopene. Grapefruit also contains furanocoumarins, which slow down the liver's ability to metabolize some drugs.

Healthy Grapefruit Recipes:

Nutrition Information for Grapefruit:

The following nutrition information is for one serving of grapefruit. That would be about one half of a medium grapefruit that is four inches in diameter, or 128 grams. This general information is for any variety of white or pink raw grapefruit.

Macronutrients:

Water: 116.34 g

Calories: 41

Protein: 0.81 g

Carbohydrates: 10.34 g

Fiber: 1.4 g

Sugars: 8.93 g

Total Fat: 0.13 g

Saturated Fat: 0.018 g

Monounsaturated Fat: 0.017 g

Polyunsaturated Fat: 0.031 g

Cholesterol: 0 mg

Micronutrients:

Calcium: 15 mg

Iron: 0.12 mg

Magnesium: 10 mg

Phosphorus: 10 mg

Potassium: 178 mg

Sodium: 0 mg

Zinc: 0.09 mg

Vitamin C: 44.0 mg

Thiamin: 0.046 mg

Riboflavin: 0.026 mg

Niacin: 0.320 mg

Pantothenic Acid: 0.362 mg

Vitamin B6: 0.054 mg

Vitamin B12: 0 mcg

Folate: 13 mcg

Vitamin A: 1187 IU

Vitamin E: 0.17 mg

Vitamin K: 0 mcg

Phytonutrients:

beta Carotene: 707 mcg

beta Cryptoxanthin: 8 mcg

Lycopene: 1453 mcg

Lutein and Zeaxanthin: 8 mcg

Source of Information:

USDA National Nutrient Database for Standard Reference

Notes:

Abbreviations:

  • g = gram
  • mg = milligram
  • mcg = microgram
  • IU = International Unit
Nutrient Recommendation Information:

Nutrient Recommendations for Women

Nutrient Recommendations for Men

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