Are lamb's quarters high in oxalate?
C
Moderately. Moderate, 23 mg per 1 cup raw
Range 23 to 23 mg across 1 study, 21 g serving
0 mg50 mg = a day60 mg+
Lower-oxalate swap: Kale, grade A, about <1 mg per 1 cup raw.
Lamb's quarters have a moderate amount of oxalate: about 23 mg per 1 cup raw, which is 46% of the 50 mg a day many stone clinics aim for.
Boiling and draining lowers oxalate, because the soluble part leaches into the water. Compare the raw and boiled rows below.
Where this number comes from
Each row is one published measurement, converted to a 21 g serving (1 cup raw). 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 |
|---|---|---|---|
| 13 mg | 59.8 mg | boiled (n=3) | Arias-Rico J., Macías-León F.J., Alanís-García E., Cruz-Cansino N.d.S., Jaramillo-Morales O.A., Barrera-Gálvez R., Ramírez-Moreno E, 2020via Foods 2023;12:3201, Table 5 (CC BY 4.0) |
| 23 mg | 110 mg | Raw (n=3) | Arias-Rico J., Macías-León F.J., Alanís-García E., Cruz-Cansino N.d.S., Jaramillo-Morales O.A., Barrera-Gálvez R., Ramírez-Moreno E, 2020via Foods 2023;12:3201, Table 5 (CC BY 4.0) |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice