How much Snow Crab can I eat with gout?

A typical serving is about 113 g, which delivers 154 mg of purines, or about 39% of a ~400 mg working daily target. Stick to one normal portion and skip seconds, especially during a flare.

Is Snow Crab high in purines?

Snow Crab is moderate in purines by weight: about 137 mg per 100 g. A typical 113 g serving works out to about 154 mg, or about 39% of a ~400 mg working daily target.

Does Snow Crab cause gout?

No single food causes gout; it develops from high uric acid over time. Snow Crab is graded C: a normal portion is fine, but it counts against your daily total, so it is the second helping and the frequency that matter.

Snow Crab

Also listed as: Crab, snow, raw

Snow Crab is fine in moderation. Watch your portion size, especially during a flare. A typical 113 g serving has about 154 mg of purines, about 39% of a ~400 mg working daily target.

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

Across forms of crab:CD· 112–172 mg per serving

How much can I eat?

Units

A typical serving is about 113 g, which delivers 154 mg of purines, or about 39% of a ~400 mg working daily target.

This serving

4 oz

113 g

Purine / serving

154 mg

% daily purine

39%

Purines in this serving154 mg · 39% of a day

0 mg~400 mg daily limit

Adjust the serving

1 oz10 oz

You could have up to about 5 oz (145 g) before this reaches half a ~400 mg working daily purine target.

Snow Crab fits in moderation, so portion is the thing to get right.

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Why grade C

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

Per 100 g (for comparison)

Purines Moderate confidence

137 mg/100g

LowModerateHighVery high

Moderate for gout (50–150 mg/100g).

Fructose High confidence

0 g/100g

LowModerateHighVery high

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

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

Eating snow crab 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 - Table 2 (International) Evidence tier: Peer-reviewed literature Replication: 1 sample International literature sources
2. Fructose data: Biochemical Certainty (fructose = 0) Evidence tier: Lab-verified Animal products (meat, seafood, eggs, plain dairy) contain no fructose by biochemical composition.

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.

Other forms of crab

Different cuts, species, or preparations vary in purines. The most common form of "crab" is shown first below.

Red king Crab

Crab, red king, raw

Purine 99.5 mg Fructose 0 g per 100 g

Moderate Shellfish & Seafood

Crab (blue, lump, pasteurized)

Purine 147.7 mg Fructose 0 g per 100 g

Moderate Shellfish & Seafood

Crab Ovary

Crab ovary, raw

Purine 152.4 mg Fructose 0 g per 100 g

Limit Organ Meats

Snow Crab

How much can I eat?

Why grade C

Other forms of crab

Red king Crab

Crab (blue, lump, pasteurized)

Crab Ovary

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