Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
⚠️ Moderate Sodium
Catfish has 218 mg sodium per 100g. While not critically high, kidney stone patients should monitor sodium intake as excess can raise urinary calcium.
📏 High Animal Protein
Catfish contains animal protein (about 22g 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 |
|---|---|---|---|
| 4 oz | 113 g | 1 mg | Safe |
| 2 x 4 oz | 226 g | 2 mg | Safe |
| ½ x 4 oz | 56 g | 0.5 mg | Safe |
🏷️ Tags
🟢 See all Seafood rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
❓ Frequently Asked Questions
Is Catfish safe for kidney stones?
Don't overthink this one. Catfish has 1 mg oxalate per 4 oz. That's solidly safe territory for kidney stones. The number is from Harvard's latest lab work.
What's the oxalate content of Catfish?
The lab result: 1 mg per 4 oz (113g serving). That's 1 mg per 100g. Harvard's ion chromatography analysis, 2024. Not crowdsourced, not estimated.
Is Catfish high in oxalates?
Nope. Catfish is a low-oxalate food — just 1 mg per 4 oz. Well under the 25 mg cutoff. You're in the clear with this one.
What are the best low-oxalate alternatives to Catfish?
There are almost always safer swaps in the same food family. For Catfish, check the related foods section below — the green-marked ones are your best bets. All verified by Harvard (2024).
Does Catfish have a lot of animal protein?
It has animal protein, which increases kidney stone risk through uric acid and calcium in urine. Not a reason to eliminate it — just a reason to watch portions. AUA says about 3 oz per meal.
How much sodium does Catfish have?
The sodium level is fine — 218 mg/100g. If all your foods looked like this on sodium, you'd be in great shape for stone prevention.