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 serving | 100 g | 0 mg | Safe |
| 2 x 1 serving | 200 g | 0 mg | Safe |
| ½ x 1 serving | 50 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?
Yep, you're good. seaweed clocks in at 0 mg oxalate per 1 serving — way under the 25 mg cutoff. Eat it without the stress. Measured by Harvard, not guessed.
How much oxalate is in seaweed?
0 mg — that's the oxalate in a standard 1 serving of seaweed. For the 100g comparison freaks: 0 mg. Source is Harvard's 2024 food analysis project.
Is seaweed high in oxalates?
Definitely low. 0 mg oxalate per 1 serving. That's the green zone. No restrictions needed for this food.
What can I eat instead of seaweed?
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 seaweed. Pick from those.
How reliable is the data for seaweed?
Oxalate: very reliable (Harvard 2024 lab measurement). Other nutrients: still being matched to USDA data. The oxalate figure is what matters for a kidney stone decision, and that one's solid.