Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
⚠️ Moderate Sodium
Octopus has 369 mg sodium per 100g. While not critically high, kidney stone patients should monitor sodium intake as excess can raise urinary calcium.
📏 High Animal Protein
Octopus contains animal protein (about 23g 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 | 1 mg | Safe |
| 2 x 3 oz | 170 g | 2 mg | Safe |
| ½ x 3 oz | 42 g | 0.5 mg | Safe |
🏷️ Tags
🟢 See all Seafood rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
❓ Frequently Asked Questions
Is Octopus safe for kidney stones?
Short answer: yes. Longer answer: at 1 mg per 3 oz, Octopus 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 Octopus?
1 mg — that's the oxalate in a standard 3 oz of Octopus. For the 100g comparison freaks: 1 mg. Source is Harvard's 2024 food analysis project.
Is Octopus low or high oxalate?
Low. 1 mg per 3 oz puts Octopus firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.
What can I eat instead of Octopus?
The easiest move: swap Octopus for any 🟢 Safe food in the related foods grid. They're all under 25 mg per serving and verified by Harvard's 2024 data. Problem solved.
How much sodium does Octopus have?
Sodium's not the issue here. Octopus has 369 mg per 100g — comfortably low. No need to worry about salt pushing extra calcium into your urine with this food.
Does Octopus 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.