Is tofu high in oxalate?
B
No. Low, 9.1 mg per 3 oz
Range 9 to 9.1 mg across 1 study, 85 g serving
0 mg50 mg = a day60 mg+
Tofu is low in oxalate: about 9.1 mg per 3 oz, 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 85 g serving (3 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 |
|---|---|---|---|
| 9 mg | 10.6 mg | Soft | Harvard T.H, 2023 |
| 9.1 mg | 10.7 mg | soft | Harvard T.H, 2023 |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice