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 |
|---|---|---|---|
| 1/4 cup | 40 g | 2 mg | Safe |
| 2 x 1/4 cup | 80 g | 4 mg | Safe |
| ½ x 1/4 cup | 20 g | 1 mg | Safe |
🏷️ Tags
🟢 See all Fruits rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Can I eat Cranberries with kidney stones?
No red flags here. Just 2 mg per 1/4 cup — well below the 25 mg danger line. You can keep Cranberries in your regular rotation. Data comes from Harvard (2024).
How much oxalate is in Cranberries?
Here are the numbers: 2 mg oxalate in one 1/4 cup of Cranberries (40g). Per 100 grams, that's 5 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.
Is Cranberries a high-oxalate food?
It's low. 2 mg per 1/4 cup is well under the 25 mg danger line. Cranberries is not the food you need to worry about.
What can I eat instead of Cranberries?
Don't give up the whole category — just pick a safer member of it. The green foods in the related section all work as substitutes for Cranberries with a fraction of the oxalate.
How reliable is the data for Cranberries?
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.