Are chicory greens high in oxalate?
C
Moderately. Moderate, 14 mg per 1 cup chopped
Range 14 to 14 mg across 1 study, 29 g serving
0 mg50 mg = a day60 mg+
Lower-oxalate swap: Lettuce, grade A, about <1 mg per 1 cup shredded.
Chicory greens have a moderate amount of oxalate: about 14 mg per 1 cup chopped, which is 28% of the 50 mg a day many stone clinics aim for.
Where this number comes from
Each row is one published measurement, converted to a 29 g serving (1 cup chopped). 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 soluble only* | 0 mg | Raw (n=8) | Santamaria P., Elia A., Serio F., Todaro E, 1999via Foods 2023;12:3201, Table 5 (CC BY 4.0) |
| 14 mg | 47.6 mg | Raw | Kim D.-J., Kim H., Kim M., Lee J, 2007via Foods 2023;12:3201, Table 5 (CC BY 4.0) |
* The study measured soluble oxalate only, which understates the total, so it's shown but doesn't set the grade.
By Oliver Silen · Data checked November 2, 2026 · Not medical advice