🟢 Safe
Oxalate <25 mg/serving
🟡 Caution
Oxalate 25-99 mg/serving
🔴 Avoid
Oxalate ≥100 mg/serving
🟢

Crackers, Wasabi peas, Trader Joe's's

🟢 Safe — Low Oxalate
1 mg oxalate / serving
Serving: 1/2 cup (30 g) | Per 100 g: 4 mg
✓ Medically Reviewed Content reviewed by OxalateWatch Editorial Team. Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.

📊 Nutrition at a Glance

1 mg
Oxalate / serving
Low Oxalate
300 mg
Sodium / 100g
Mod Na
14.1 g
Protein / 100g
Tier 1
123 mg
Calcium / 100g
Tier 1

⚠️ Moderate Sodium

Crackers has 300 mg sodium per 100g. While not critically high, kidney stone patients should monitor sodium intake as excess can raise urinary calcium.

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1/2 cup30 g1 mg Safe
2 x 1/2 cup60 g2 mg Safe
½ x 1/2 cup15 g0.5 mg Safe

🏷️ Tags

Grains & Pasta 🟢 Oxalate Safe Low Oxalate Plant-Based Snacks & Sweets Calcium-Rich

🟢 See all Grains & Pasta rated Safe for kidney stones →

🔗 Related Foods

❓ Frequently Asked Questions

Should I avoid Crackers if I have kidney stones?

Don't overthink this one. Crackers has 1 mg oxalate per 1/2 cup. That's solidly safe territory for kidney stones. The number is from Harvard's latest lab work.

How much oxalate is in Crackers?

1 mg — that's the oxalate in a standard 1/2 cup of Crackers. For the 100g comparison freaks: 4 mg. Source is Harvard's 2024 food analysis project.

Is Crackers low or high oxalate?

Definitely low. 1 mg oxalate per 1/2 cup. That's the green zone. No restrictions needed for this food.

What are the best low-oxalate alternatives to Crackers?

Don't give up the whole category — just pick a safer member of it. The green foods in the related section all work as substitutes for Crackers with a fraction of the oxalate.

How much sodium does Crackers have?

300 mg sodium per 100g in Crackers. Well under the 460 mg threshold. One less thing on your kidney stone checklist.

🔍 Explore More About This Food

📚 Data Sources

Oxalate: Harvard T.H. Chan School of Public Health (2024) via OHF. Nutrition: USDA FoodData Central (SR Legacy 2018 & Foundation Foods).

📖 Key Scientific References

Taylor EN, Curhan GC. Oxalate intake and the risk for nephrolithiasis. J Am Soc Nephrol. 2007;18(7):2198-2204. PMID: 17538185
Borghi L, Schianchi T, Meschi T, et al. Comparison of two diets for the prevention of recurrent stones in idiopathic hypercalciuria. N Engl J Med. 2002;346(2):77-84. DOI: 10.1056/NEJMoa010369
Fink HA, Akornor JW, Garimella PS, et al. Diet, fluid, or supplements for secondary prevention of nephrolithiasis. Eur Urol. 2009;56(1):72-80. DOI: 10.1016/j.eururo.2009.03.031
Ferraro PM, Taylor EN, Gambaro G, Curhan GC. Dietary and lifestyle factors for primary prevention of nephrolithiasis. BMC Nephrol. 2020;21(1):267. PMID: 32652950
Pearle MS, Goldfarb DS, Assimos DG, et al. Medical management of kidney stones: AUA guideline. J Urol. 2014;192(2):316-324. DOI: 10.1016/j.juro.2014.05.006
Liebman M, Costa G. Effects of calcium and magnesium on urinary oxalate excretion after oxalate loads. J Urol. 2000;163(5):1565-1569. PMID: 10751889
Holmes RP, Assimos DG. The impact of dietary oxalate on kidney stone formation. Urol Res. 2004;32(5):311-316. DOI: 10.1007/s00240-004-0437-3
Lin BB, Lin ME, Huang RH, et al. Dietary treatment and fluid intake for prevention of recurrent calcium stones. PLoS One. 2021;16(4):e0250257. PMID: 33872340
This is dietary reference information, NOT medical advice. Talk to your doctor or a registered dietitian before changing your diet. Oxalate tolerance varies by person, stone type, and medication.