Evidence-aware nutrition guide for Grapefruit.Values are approximate per 100 g unless stated otherwise.
Grapefruit fruitJanuary–December in Turkey (approximate harvest period)
Fruit guide · values per 100 g (3.5 oz)

Grapefruit Nutrition Facts, Vitamins and Benefits

Grapefruit (Citrus × paradisi) is included in the Topraktan Bilgiler fruit library. Per 100 g it provides approximately 32 kcal and includes 34.4 mg vitamin C, 46 µg RAE vitamin A, 139 mg potassium. Values can vary with variety, ripeness, growing conditions and preparation.

34.4 mg vitamin C46 µg RAE vitamin A139 mg potassium1.1 g fiber
Energy32 kcal
Fiber1.1 g
Vitamin C34.4 mg
Potassium139 mg

Grapefruit benefits and place in a balanced diet

  • Grapefruit provides 1.1 g of dietary fiber per 100 g. Fiber supports normal bowel function and can contribute to fullness as part of a balanced diet.
  • A 100 g serving contains about 34.4 mg of vitamin C. Vitamin C contributes to normal immune function, collagen formation and protection of cells from oxidative stress.
  • Its potassium content is approximately 139 mg per 100 g. Potassium contributes to normal muscle and nervous-system function and the maintenance of normal blood pressure.
  • It supplies about 8 mg of magnesium per 100 g. Magnesium contributes to normal energy metabolism and normal muscle function.
  • It provides approximately 46 µg RAE of vitamin A per 100 g. Vitamin A contributes to normal vision, skin and immune function.
  • No single food prevents or treats disease. The nutritional value of grapefruit depends on portion size and the overall eating pattern.

Grapefruit nutrition facts

The table covers calories, macronutrients, vitamins, minerals, fatty acids and amino acids where a measured value is available. Values are shown per 100 g and for a 128 g reference serving.

Grapefruit vitamins, minerals and nutrition facts
NutrientPer 100 g128 g serving
Core values and macronutrients
Energy32 kcal41 kcal
Water90.9 g116.3 g
Protein0.6 g0.8 g
Total fat0.1 g0.1 g
Saturated fat0 g0 g
Monounsaturated fat0 g0 g
Polyunsaturated fat0 g0 g
Carbohydrate8.1 g10.3 g
Dietary fiber1.1 g1.4 g
Total sugars7 g8.9 g
Starch0 g0 g
Ash0.3 g0.4 g
Cholesterol0 mg0 mg
Minerals
Calcium12 mg15.4 mg
Iron0.1 mg0.1 mg
Magnesium8 mg10.2 mg
Phosphorus8 mg10.2 mg
Potassium139 mg177.9 mg
Sodium0 mg0 mg
Zinc0.1 mg0.1 mg
Copper0 mg0.1 mg
Manganese0 mg0 mg
Selenium0.3 µg0.4 µg
Fluoride1 µg1.3 µg
Vitamins and vitamin-like compounds
Vitamin C34.4 mg44 mg
Vitamin B1 (Thiamin)0 mg0 mg
Vitamin B2 (Riboflavin)0 mg0 mg
Vitamin B3 (Niacin)0.3 mg0.3 mg
Vitamin B5 (Pantothenic acid)0.3 mg0.4 mg
Vitamin B60 mg0.1 mg
Vitamin B7 (Biotin)0 µg0 µg
Vitamin B9 (Folate)10 µg12.8 µg
Folic acid0 µg0 µg
Food folate10 µg12.8 µg
Folate, DFE10 µg DFE12.8 µg DFE
Choline7.7 mg9.9 mg
Vitamin B120 µg0 µg
Vitamin A46 µg RAE58.9 µg RAE
Retinol0 µg0 µg
Beta-carotene552 µg706.6 µg
Alpha-carotene4 µg5.1 µg
Beta-cryptoxanthin6 µg7.7 µg
Lycopene1,135 µg1,452.8 µg
Lutein + zeaxanthin6 µg7.7 µg
Vitamin E0.1 mg0.2 mg
Vitamin D0 µg0 µg
Vitamin K0 µg0 µg
Fatty acids
Omega-30 g0 g
Omega-60 g0 g
Types of sugar
Sucrose0 g0 g
Glucose0 g0 g
Fructose0 g0 g
Lactose0 g0 g
Maltose0 g0 g
Galactose0 g0 g
Amino acids
Tryptophan0 g0 g
Threonine0 g0 g
Isoleucine0 g0 g
Leucine0 g0 g
Lysine0 g0 g
Methionine0 g0 g
Cystine0 g0 g
Phenylalanine0 g0 g
Tyrosine0 g0 g
Valine0 g0 g
Arginine0.1 g0.1 g
Histidine0 g0 g
Alanine0 g0 g
Aspartic acid0.1 g0.1 g
Glutamic acid0.2 g0.2 g
Glycine0 g0 g
Proline0.1 g0.1 g
Serine0 g0 g
Vitamin details
Niacin equivalents0 mg0 mg
Vitamin D20 µg0 µg
Vitamin D30 µg0 µg
Vitamin K1 (Phylloquinone)0 µg0 µg
Vitamin K2 (Menaquinone)0 µg0 µg
Beta-tocopherol0 mg0 mg
Gamma-tocopherol0 mg0 mg
Delta-tocopherol0 mg0 mg
Fatty-acid details
Trans fat0 g0 g
Alpha-linolenic acid (ALA)0 g0 g
Linoleic acid0 g0 g
EPA0 g0 g
DHA0 g0 g

How many calories are in Grapefruit?

100 g (about 3.5 oz) provides approximately 32 kcal. A 128 g reference serving provides approximately 41 kcal. Values vary with variety, ripeness and preparation.

How to use Grapefruit in the kitchen

Grapefruit can be eaten on its own when appropriate, added to breakfast bowls, salads or desserts, or used in sauces and drinks. Preparation changes the edible portion and may alter nutrient values.

Cooking, peeling, draining and added oil or sugar can change nutrition values. The calculator scales the recorded reference values by weight.

Nutrition values can vary by variety, maturity and preparation. Seasonal dates refer to approximate general harvest periods in Turkey, not universal availability. General information only; not medical advice. Primary composition reference: USDA FoodData Central.