Are pretzels high in oxalate?
B
No. Low, 6.9 mg per 1.5 oz
One study at 6.9 mg, 42 g serving
0 mg50 mg = a day60 mg+
Pretzels are low in oxalate: about 6.9 mg per 1.5 oz, which is 14% of the 50 mg a day many stone clinics aim for, or 7% 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 42 g serving (1.5 oz). 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 |
|---|---|---|---|
| 6.9 mg | 16.43 mg | Hard, salted | Harvard T.H, 2023 |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice