Red or green Grapes
Also listed as: Grapes, red or green, raw
Red or green Grapes are fine in moderation. Watch your portion size, especially during a flare. A typical 140 g serving has about 38 mg of purines, about 9% of a ~400 mg working daily target.
General information, not a substitute for advice from your doctor or dietitian.
Other forms run higher, up to grade D (about 12 mg a serving) for Unsweetened Grape Juice. Check yours below.
PURINE NOTE: This figure comes from German consumer purine tables, which cite no original measurement. It matches their uric-acid column, which runs about 2.4 times the purine content.
This purine value is inferred, not measured directly for this food. See the sources note below for how it was derived.
How much can I eat?
Fructose raises uric acid whatever it comes from, and this serving carries enough of it to count. The trials that found no effect from fruit tested ordinary portions under controlled energy intake, not large ones.
How we count fructose
This is the fructose, not the total sugar: it counts free fructose plus half of sucrose, so a sucrose-sweetened product carries roughly twice this much sugar overall.
Evidence: Ayoub-Charette et al., J Nutr 2021 (fructose by food source) · White et al., Am J Clin Nutr 2018 (whole apple vs. a fructose drink, matched dose)
Even a large serving stays well under a day's purines.
These are plant purines, which research links far more weakly to flares: the 38 mg here counts as roughly 11 mg toward your gout risk.
Red or green Grapes fit in moderation, so portion is the thing to get right.
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Why grade C: per 100 g and processing
Per 100 g (for comparison)
Low for gout (< 50 mg/100g).
High for gout (8–15 g/100g).
Processing: NOVA 1 of 4 (unprocessed or minimally processed). How processing affects the grade.
Diet is part of the picture, not all of it
For most people the body makes the majority of its own uric acid. Food contributes the smaller share. Eating well lowers your risk and helps you feel in control, but for many people diet alone does not bring uric acid down enough to stop flares. Medication often does the heavy lifting. Use these grades to make easier daily choices, and work with your doctor on the full plan.
Other forms of grapes
Pick a specific form if you mean one.
More from Fruit
All varieties Orange
Orange, raw, all varieties
Avocado
Avocado, raw
Cantaloupe (muskmelon)
Cantaloupe (muskmelon), raw
Grapefruit
Grapefruit, raw
Lychee
Lychee, raw
Papaya
Papaya, raw
How did red or green grapes go for you?
Reader experiences, not medical advice. The grade above comes from published data.