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Plant purines are not animal purines

A common gout mistake is cutting healthy vegetables because a chart calls them high in purines. The source matters more than the number, and the grades show it.

High-purine plants: still safe
All graded A.
Animal & seafood: the real risk
Graded D to E, the purines tied to flares.

Same chemical, opposite verdict. We weight every food by its purine source, so a plant and an organ meat with the same number don't get the same grade.

Reviewed July 18, 2026

What the research found

In large studies tracking thousands of people, purines from meat and seafood clearly raised the risk of gout. Purines from vegetables, legumes, and mushrooms did not. The same chemical behaves differently depending on the food it comes in, which is why we weight a food's purines by its source when we grade it. (Choi et al. 2004, NEJM, Villegas et al. 2012)

Two more reasons the raw number misleads

High-purine plants that are still fine

High per 100 g, but they grade well once you account for source and serving.

Food Grade Purine /100g Fructose /100g Serving
Seaweed (nori, dried) A 591.5 mg 0 g 3 g
Mushrooms (shiitake, dried) A 311.6 mg 0 g 3 g
Freeze-Dried Tofu (koyadofu) A 292.3 mg 0.3 g 17 g
Fresh Parsley A 289.3 mg 2.47 g 8 g
Wakame Seaweed A 262.3 mg 0 g 10 g
Blackeye Peas (dried) A 230 mg 0.39 g 130 g

Animal and seafood sources to watch

These are the purines the evidence actually ties to flares.

Food Grade Purine /100g Fructose /100g Serving
Anchovy (dried) D 1109 mg 0 g 25 g
Shrimp (Sakura, dried) D 748.9 mg 0 g 15 g
Sardine (baby, dried) D 746 mg 0 g 20 g
Anchovies E 411 mg 0 g 85 g
Canned Sardines E 399 mg 0 g 113 g
Monkfish Liver (steamed) E 398.7 mg 0 g 113 g

Sources

  1. 1. Source: Choi HK, et al. Purine-rich foods, dairy and protein intake, and the risk of gout in men. N Engl J Med. 2004;350(11):1093–1103.
  2. 2. Source: Villegas R, et al. Purine-rich foods, protein intake, and the prevalence of hyperuricemia: The Shanghai Men’s Health Study. Nutr Metab Cardiovasc Dis. 2012;22(5):409–416.
  3. 3. Source: Juraschek SP, et al. Effects of the DASH Diet and Sodium Intake on Serum Uric Acid. Arthritis Rheumatol. 2016;68(12):3002–3009.

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.

Not medical advice. General information only. Individual triggers vary; work with your doctor or dietitian on your own plan.