Is clam chowder high in oxalate?
C
Moderately. Moderate, 14 mg per 1 cup
One study at 14 mg, 248 g serving
0 mg50 mg = a day60 mg+
Clam chowder has a moderate amount of oxalate: about 14 mg per 1 cup, which is 28% of the 50 mg a day many stone clinics aim for, or 14% 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 248 g serving (1 cup). 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 |
|---|---|---|---|
| 14 mg | 5.48 mg | Canned | Harvard T.H, 2023 |
By Oliver Silen · Data checked November 2, 2026 · Not medical advice