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
Should I avoid Blueberries if I have kidney stones?
It's fine. Blueberries has 2 mg of oxalate per 1/4 cup. 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 Blueberries?
The exact figure: 2 mg of oxalate per 1/4 cup of Blueberries. Works out to 5 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.
Is Blueberries low or high oxalate?
It's low. 2 mg per 1/4 cup is well under the 25 mg danger line. Blueberries is not the food you need to worry about.
What can I eat instead of Blueberries?
Plenty of options. Scroll down to Related Foods — every 🟢 green item there is a lower-oxalate alternative to Blueberries. Same food group, way less oxalate.
How reliable is the data for Blueberries?
The oxalate number for Blueberries — 2 mg per serving — is from Harvard's 2024 lab analysis. That part is solid. The USDA nutrition data (sodium, protein, calcium) is still being matched — we'll update when it's available.