How Much Protein Is In Grapefruit?
A tangy citrus fruit with a bittersweet bite, known for its vitamin C and morning-breakfast appeal.
Protein per 1/2 medium (123g)
1
g% Daily Value
Complete Nutrition Facts for Grapefruit
Per 1/2 medium (123g)
8.5g
sugar
Essential Amino Acids in Grapefruit
Per 1/2 medium (123g)
10mg
Histidine
10mg
Isoleucine
18mg
Leucine
23mg
Lysine
9mg
Methionine
16mg
Phenylalanine
16mg
Threonine
10mg
Tryptophan
18mg
Valine
More About Grapefruit
About Protein in Grapefruit
A serving of Grapefruit (123g) contains 1g of protein, which is 2% of the recommended daily value based on a 2,000 calorie diet.
Protein is essential for building and repairing tissues, making enzymes and hormones, and supporting immune function. When planning your meals, consider that grapefruit is a low source of protein compared to other fruits.
Compare Protein in Similar Foods
See how Grapefruit compares to other fruits.
Apple
per 1 medium (182g)
0.5g
Banana
per 1 medium (118g)
1.3g
Orange
per 1 medium (131g)
1.2g
Strawberry
per 1 cup (144g)
1g
Source: USDA FoodData Central | FDC ID: 174673 | Last updated: 2026-03-30
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All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.
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