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Periwinkles and uric acid

Moderate purines 173.5 mg / 100 g
🔥 100 kcal / 100 g

Verdict: Periwinkles, moderate in purines — eat it in moderation, especially if your uric acid is high.

How much is in your portion?

174 mg of purines for 100 g, that's 43 % of a 400 mg daily guide.

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Periwinkles are small sea snails prized in coastal cuisines, particularly in Europe. At 173.5 mg of purines per 100 g, they sit in the moderate range—higher than white fish but lower than organ meats or red meat. This matters for your gout management: a typical serving of periwinkles (around 80–100 g) would contribute roughly 140–175 mg of purines, which is significant but not prohibitive if you're managing your daily intake. The key is portion control and context. If you're in a daily maintenance phase (aiming to stay under 400 mg of purines), periwinkles can fit occasionally, but they shouldn't be a regular staple. During a flare, it's wise to avoid them. A practical tip: when you do enjoy periwinkles, pair them with plenty of water and other low-purine foods, and keep that day's total purine load in mind. Cooking method doesn't change their purine content, so boiled or prepared, the numbers remain the same.

During a flare vs daily maintenance

🔴 During a flare

Periwinkles stays a reasonable choice, but reduce portions and prioritise hydration (2 L/day).

🟢 Daily maintenance

Periwinkles fits easily into a balanced gout-friendly diet, within the 400 mg purines per day limit.

Frequently asked questions

Can I eat periwinkles if I have gout?

Yes, occasionally and in small portions. At 173.5 mg purines per 100 g, periwinkles are moderate, not high-risk. A 80–100 g serving fits into a balanced day if you monitor your other foods, but they're best avoided during an active flare.

How much periwinkle can I safely eat?

A reasonable portion is 80–100 g (roughly a small bowl), which gives you around 140–175 mg of purines. Keep this in context with the rest of your day's food—if you stay under 400 mg total daily purines, you have room, but don't make periwinkles a regular habit.

Does cooking periwinkles change their purine content?

No. Whether boiled, steamed, or prepared another way, periwinkles retain the same 173.5 mg of purines per 100 g. The cooking method doesn't affect the purine level, only portion size matters.

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⚕️ Educational information — does not replace medical advice. Data: USDA / NIH, Kaneko 2014 thresholds.