Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
Concentration is what separates this entry from its family: drying, grinding, and juicing pack the oxalate of the whole food into a smaller serving, so concentrated forms usually measure higher than fresh ones of the same base. Flour Flaxseed meal or ground Flaxseed sits at 2 mg per serving, in the middle of the family range. Where a recipe allows the fresh form it is generally the lighter pick; where only the concentrated form works, portion size is the lever that keeps the daily budget intact. Related forms in this family: Coconut Flour (2 mg), Baking Flour (7 mg), Chickpea Flour (2 mg).
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 1/4 cup | 26 g | 2 mg | Low Oxalate |
| 2 x 1/4 cup | 52 g | 4 mg | Low Oxalate |
| ½ x 1/4 cup | 13 g | 1 mg | Low Oxalate |
🏷️ Tags
🟢 See all Nuts & Seeds rated Safe for kidney stones →
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🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Can I eat Flour with kidney stones?
It's fine. Flour 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.
What's the oxalate content of Flour?
The exact figure: 2 mg of oxalate per 1/4 cup of Flour. Works out to 8 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.
Is Flour low or high oxalate?
It's low. 2 mg per 1/4 cup is well under the 25 mg danger line. Flour is not the food you need to worry about.
What can I eat instead of Flour?
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 Flour with a fraction of the oxalate.
How much sodium does Flour have?
The sodium level is fine — 36 mg/100g. If all your foods looked like this on sodium, you'd be in great shape for stone prevention.