Is oatmeal high in oxalate?
A
No. Very low, none detected per 2/3 cup instant, cooked
Range 0 to 0 mg across 1 study, 155 g serving
0 mg50 mg = a day60 mg+
Oatmeal is low in oxalate: the one study here detected none in 2/3 cup instant, cooked.
Where this number comes from
Each row is one published measurement, converted to a 155 g serving (2/3 cup instant, cooked). 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 |
|---|---|---|---|
| 0 mg | 0 mg | Instant, cooked | Harvard T.H, 2023 |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice