Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
⚠️ Moderate Sodium
Seaweed has 233 mg sodium per 100g. While not critically high, kidney stone patients should monitor sodium intake as excess can raise urinary calcium.
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 4 g | 0 mg | Safe | |
| 2 x | 8 g | 0 mg | Safe |
| ½ x | 2 g | 0 mg | Safe |
🏷️ Tags
🟢 See all Vegetables rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Is Seaweed safe for kidney stones?
Don't overthink this one. Seaweed has 0 mg oxalate per . That's solidly safe territory for kidney stones. The number is from Harvard's latest lab work.
How much oxalate is in Seaweed?
The lab result: 0 mg per (4g serving). That's 0 mg per 100g. Harvard's ion chromatography analysis, 2024. Not crowdsourced, not estimated.
Is Seaweed low or high oxalate?
Low. 0 mg per puts Seaweed firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.
What are the best low-oxalate alternatives to Seaweed?
There are almost always safer swaps in the same food family. For Seaweed, check the related foods section below — the green-marked ones are your best bets. All verified by Harvard (2024).
How much sodium does Seaweed have?
Low sodium: 233 mg/100g. That's a non-issue for kidney stones. Just don't undo it by drowning it in salt during cooking.