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 cup | 36 g | 6 mg | Safe |
| 2 x 1 cup | 72 g | 12 mg | Safe |
| ½ x 1 cup | 18 g | 3 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 Collard with kidney stones?
No red flags here. Just 6 mg per 1 cup — well below the 25 mg danger line. You can keep Collard in your regular rotation. Data comes from Harvard (2024).
What's the oxalate content of Collard?
6 mg — that's the oxalate in a standard 1 cup of Collard. For the 100g comparison freaks: 17 mg. Source is Harvard's 2024 food analysis project.
Is Collard low or high oxalate?
It's low. 6 mg per 1 cup is well under the 25 mg danger line. Collard is not the food you need to worry about.
What can I eat instead of Collard?
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 Collard. Pick from those.
How reliable is the data for Collard?
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.