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 | 29 g | 9 mg | Safe |
| 2 x 1/4 cup | 58 g | 18 mg | Safe |
| ½ x 1/4 cup | 14 g | 4.5 mg | Safe |
🏷️ Tags
🟢 See all Grains & Pasta rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Is Flour safe for kidney stones?
It's fine. Flour has 9 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.
What's the oxalate content of Flour?
Here are the numbers: 9 mg oxalate in one 1/4 cup of Flour (29g). Per 100 grams, that's 33 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.
Is Flour low or high oxalate?
Low. 9 mg per 1/4 cup puts Flour firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.
What are the best low-oxalate alternatives to Flour?
There are almost always safer swaps in the same food family. For Flour, check the related foods section below — the green-marked ones are your best bets. All verified by Harvard (2024).
How much sodium does Flour have?
The sodium level is fine — 0 mg/100g. If all your foods looked like this on sodium, you'd be in great shape for stone prevention.