Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
⚠️ Moderate Sodium
Cod has 280 mg sodium per 100g. While not critically high, kidney stone patients should monitor sodium intake as excess can raise urinary calcium.
📏 Moderate Animal Protein
Cod contains animal protein (about 18g 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 | 0 mg | Safe |
| 2 x 4 oz | 226 g | 0 mg | Safe |
| ½ x 4 oz | 56 g | 0 mg | Safe |
🏷️ Tags
🟢 See all Seafood rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
❓ Frequently Asked Questions
Is Cod safe for kidney stones?
Short answer: yes. Longer answer: at 0 mg per 4 oz, Cod is one of the safer things you can eat if you're watching oxalate. Harvard T.H. Chan SPH measured this directly.
What's the oxalate content of Cod?
0 mg — that's the oxalate in a standard 4 oz of Cod. For the 100g comparison freaks: 0 mg. Source is Harvard's 2024 food analysis project.
Is Cod high in oxalates?
Definitely low. 0 mg oxalate per 4 oz. That's the green zone. No restrictions needed for this food.
What can I eat instead of Cod?
Substitutes exist. The safe alternatives listed below are all low-oxalate foods in the same family as Cod. Grab one of those and you dodge the oxalate while keeping similar flavors.
How much sodium does Cod have?
280 mg sodium per 100g in Cod. Well under the 460 mg threshold. One less thing on your kidney stone checklist.
Does Cod have a lot of animal protein?
Animal protein alert: Cod contributes to your daily animal protein load. The connection to stones is real (higher uric acid, lower citrate). Moderation = ~3 oz per meal, not the whole plate.