Soy sauce and gout
Verdict: Soy sauce is low in purines — you can eat it regularly as part of a gout-friendly diet.
Soy sauce is a savory condiment made from fermented soybeans, widely used in Asian cooking. The good news for gout sufferers is that soy sauce contains only 10.2 mg of purines per 100 g, putting it firmly in the low category. This means you can use it to flavor your meals without worrying about triggering a flare-up. Since soy sauce is typically used in small amounts—a tablespoon or two per dish—your actual purine intake from it will be minimal. During daily maintenance (aiming to stay under 400 mg of purines per day), soy sauce fits easily into your diet. The key is moderation and balance: use it to add flavor to vegetables, lean proteins, and whole grains rather than high-purine foods. Remember to drink plenty of water throughout the day, as staying hydrated helps your kidneys process uric acid more efficiently. With smart choices around your other foods, soy sauce can remain a regular part of your cooking without affecting your gout management.
During a flare vs daily maintenance
🔴 During a flare
Soy sauce stays a reasonable choice, but reduce portions and prioritise hydration (2 L/day).
🟢 Daily maintenance
Soy sauce fits easily into a balanced gout-friendly diet, within the 400 mg purines per day limit.
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Frequently asked questions
Can I use soy sauce freely if I have gout?
Yes, soy sauce is safe to use regularly because it has a low purine content at 10.2 mg per 100 g. Since you typically use only small amounts when cooking, it contributes very little to your daily purine intake and is unlikely to trigger a flare.
Is low-sodium soy sauce better for gout than regular soy sauce?
Both regular and low-sodium soy sauce have similarly low purine levels, so either can be used safely. Low-sodium varieties may be preferable if you're managing high blood pressure or fluid retention, but from a gout perspective, the purine content is not a concern with either type.
Should I avoid soy sauce during a gout flare?
Soy sauce itself is unlikely to cause or worsen a flare because of its low purine content. During a flare, focus on avoiding known trigger foods like red meat, organ meats, and certain seafood rather than restricting low-purine condiments like soy sauce.
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⚕️ Educational information — does not replace medical advice. Data: USDA / NIH, Kaneko 2014 thresholds.