Are flour tortillas high in oxalate?
B
No. Low, 9 mg per 2 tortillas
One study at 9 mg, 64 g serving
0 mg50 mg = a day60 mg+
Flour tortillas are low in oxalate: about 9 mg per 2 tortillas, which is 18% of the 50 mg a day many stone clinics aim for, or 9% of the 100 mg others allow.
50 or 100 mg a day: which target is yours
Where this number comes from
Each row is one published measurement, converted to a 64 g serving (2 tortillas). The grade and the range use the rows prepared the way the serving is eaten, and take the middle. How the grades work.
| Per serving | Per 100 g | Preparation | Source |
|---|---|---|---|
| 9 mg | 14.06 mg | Flour | Harvard T.H, 2023 |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice