Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 1 sheet | 3 g | 1 mg | Safe |
| 2 x 1 sheet | 6 g | 2 mg | Safe |
| ½ x 1 sheet | 1 g | 0.5 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
Can I eat Nori (dried seaweed sheets) with kidney stones?
It's fine. Nori (dried seaweed sheets) has 1 mg of oxalate per 1 sheet. That's low enough that kidney stone patients don't really need to worry about it. Harvard did the measuring, not us.
How much oxalate is in Nori (dried seaweed sheets)?
The exact figure: 1 mg of oxalate per 1 sheet of Nori (dried seaweed sheets). Works out to 0 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.
Is Nori (dried seaweed sheets) a high-oxalate food?
Definitely low. 1 mg oxalate per 1 sheet. That's the green zone. No restrictions needed for this food.
What can I eat instead of Nori (dried seaweed sheets)?
Look at the 'Safe Alternatives' section right below this FAQ. Those foods are all under 25 mg oxalate per serving and in the same category as Nori (dried seaweed sheets). Pick from those.
How reliable is the data for Nori (dried seaweed sheets)?
The 1 mg oxalate figure is direct from Harvard's lab — measured, not estimated. The sodium/protein/calcium numbers aren't fully matched yet. When they are, we'll update.