Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
📏 Low Animal Protein
Crayfish contains animal protein (about 0g per 100g). The AUA recommends limiting non-dairy animal protein to 3 oz (palm-sized) per meal. Reference guide, not an official standard.
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 3 oz | 85 g | 0 mg | Safe |
| 2 x 3 oz | 170 g | 0 mg | Safe |
| ½ x 3 oz | 42 g | 0 mg | Safe |
🏷️ Tags
🟢 See all Seafood rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
❓ Frequently Asked Questions
Can I eat Crayfish with kidney stones?
Safe pick. 0 mg oxalate per 3 oz means Crayfish is comfortably in the green zone. Harvard's 2024 lab data says so. No need to track this one obsessively.
How much oxalate is in Crayfish?
Here are the numbers: 0 mg oxalate in one 3 oz of Crayfish (85g). Per 100 grams, that's 0 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.
Is Crayfish low or high oxalate?
Definitely low. 0 mg oxalate per 3 oz. That's the green zone. No restrictions needed for this food.
What can I eat instead of Crayfish?
There are almost always safer swaps in the same food family. For Crayfish, check the related foods section below — the green-marked ones are your best bets. All verified by Harvard (2024).
Does Crayfish have a lot of animal protein?
Yeah, Crayfish is an animal protein source. That matters because excess animal protein raises uric acid and urinary calcium — both stone promoters. Keep portions around 3 oz (palm-sized) per meal.
How reliable is the data for Crayfish?
The oxalate number for Crayfish — 0 mg per serving — is from Harvard's 2024 lab analysis. That part is solid. The USDA nutrition data (sodium, protein, calcium) is still being matched — we'll update when it's available.