How much Grapefruit can I eat with gout?

A typical serving is about 140 g, which delivers 20 mg of purines, or about 5% of a ~400 mg working daily target. There is no need to limit it; a normal portion fits easily in a gout-friendly day.

Is Grapefruit high in purines?

Grapefruit is low in purines by weight: about 14 mg per 100 g. A typical 140 g serving works out to about 20 mg, or about 5% of a ~400 mg working daily target.

Does Grapefruit cause gout?

No single food causes gout; it develops from high uric acid over time. Grapefruit is graded A and is low enough that a normal portion will not meaningfully raise your uric acid.

Grapefruit

Also listed as: Grapefruit, raw

Grapefruit is low risk in a normal serving and a good everyday choice for most people with gout. A typical 140 g serving has about 20 mg of purines, about 5% of a ~400 mg working daily target.

General information, not a substitute for advice from your doctor or dietitian.

How much can I eat?

Units

A typical serving is about 140 g, which delivers 20 mg of purines, or about 5% of a ~400 mg working daily target.

This serving

1 cup

140 g

Purine / serving

20 mg

% daily purine

Purines in this serving20 mg · 5% of a day

0 mg~400 mg daily limit

Adjust the serving

¼ cup3 ¾ cups

Even a large serving stays well within a ~400 mg working daily purine target.

These are plant purines, which research links far more weakly to flares: the 20 mg here counts as roughly 6 mg toward your gout risk.

Grapefruit is an easy choice to keep on hand.

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Why grade A

Low risk in a typical serving. A great everyday choice for a gout-friendly diet.

Per 100 g (for comparison)

Purines Moderate confidence

14 mg/100g

LowModerateHighVery high

Low for gout (< 50 mg/100g).

Fructose Moderate confidence (estimated)

1.77 g/100g

LowModerateHighVery high

Low for gout (< 3 g/100g).

Fructose here is a category-level estimate, not a direct measurement for this food.

Processing: NOVA 1 of 4 (unprocessed or minimally processed). How processing affects the grade.

Eating grapefruit as part of a bigger dish? The Dish Decoder grades the whole plate, ingredient by ingredient.

Grade a dish or browse every food rating

Sources

1. Purine data: USDA Purine Database 2025, with DGE / literature supplements Evidence tier: Peer-reviewed literature Replication: sample count not recorded

Source details
Combined source: USDA Purine Content of Foods Database 2025 + DGE fruit purine tables (Loeffler 2016) + FDC SR Legacy fructose data + label estimates for processed beverages. Used for notebook 06 fruit and beverage additions.
2. Fructose data: USDA FoodData Central, SR Legacy Evidence tier: Lab-verified

Source details
USDA Agricultural Research Service. (2024). FoodData Central, SR Legacy Foods. https://fdc.nal.usda.gov/. Fructose values retrieved via FDC API (nutrient ID 1012).

Values are per 100g unless a note says otherwise, rounded to three significant figures; per-serving figures are calculated from the unrounded measurement, so recomputing from the rounded number can differ by a milligram or so. A single determination is normal in food composition tables, not a defect. Last reviewed July 18, 2026.

How we grade foods

Grades combine purine and fructose data with known gout triggers and benefits. We show our confidence on every food.

Grapefruit

How much can I eat?

Why grade A

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