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French Fries

French Fries are fine in moderation. Watch your portion size, especially during a flare. A typical 70 g serving has about 13 mg of purines, about 3% of a ~400 mg working daily target.

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

Low in purines, but ultra-processed. Ultra-processed foods are linked to higher gout risk on their own, so we do not rate this as safe to eat freely. (UK Biobank 2024)

How much can I eat?

Units

A typical serving is about 70 g, which delivers 13 mg of purines, or about 3% of a ~400 mg working daily target.

This serving
½ cup
70 g
Purine / serving
13 mg
% daily purine
3%
Purines in this serving13 mg · 3% of a day
0 mg~400 mg daily limit
¼ cup2 ¼ 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 13 mg here counts as roughly 4 mg toward your gout risk.

Portion size is what matters most here, and it’s easy to misjudge by eye. A kitchen scale makes it simple.

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Why grade C

Fine in moderation. Mind your portion size, especially during a flare.

Per 100 g (for comparison)

Purines Low confidence
19 mg/100g
LowModerateHighVery high

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

Fructose Low confidence (estimated)
0.9 g/100g
LowModerateHighVery high

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

This purine value is inferred, not measured directly for this food. See the sources note below for how it was derived.

Processing: NOVA 4 of 4. How processing affects the grade.

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

Good to know: Deep-fried potato (chip-shop or frozen). Inferred by the same water-loss method the potato-chip value uses, which is why the two are consistent: raw potato is 6.5 mg/100g at about 79% water, so its dry matter is ~21%. Crisps finish near 2% water (~98% dry matter), a 4.7x concentration that gives ~30 mg/100g and matches the German Souci table figure of 29. Fries finish far wetter, around 40% water (~60% dry matter), a 2.9x concentration, giving about 19 mg/100g. Confidence is low to flag the inference. Purine is not the reason to think twice about fries: the fat, the salt and the processing are, which is what the grade reflects.

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