Is donut high in oxalate?
A
No. Very low, 4.4 mg per 1 donut
One study at 4.4 mg, 60 g serving
0 mg50 mg = a day60 mg+
Donut is low in oxalate: about 4.4 mg per 1 donut, which is 9% of the 50 mg a day many stone clinics aim for, or 4% 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 60 g serving (1 donut). 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 |
|---|---|---|---|
| 4.4 mg | 7.33 mg | Cake or yeast, frosted or plain | Harvard T.H. Chan School of Public Health [1] |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice
