Is apple pie high in oxalate?
A
No. Very low, 4.6 mg per 1 slice
One study at 4.6 mg, 125 g serving
0 mg50 mg = a day60 mg+
Apple pie is low in oxalate: about 4.6 mg per 1 slice, which is 9% of the 50 mg a day many stone clinics aim for, or 5% 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 125 g serving (1 slice). 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 |
|---|---|---|---|
| 4.6 mg | 3.68 mg | Commercial | Harvard T.H, 2023 |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice