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

Crackers, Soybean Crackers

🟡 Caution — Moderate
57 mg oxalate / serving
Serving: 1 oz (28 g) | Per 100 g: 204 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

57 mg
Oxalate / serving
Moderate
0 mg
Sodium / 100g
Low Na
0.0 g
Protein / 100g
Tier 1
0 mg
Calcium / 100g
Tier 1

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1 oz28 g57 mg Caution
2 x 1 oz56 g114 mg Avoid
½ x 1 oz14 g28.5 mg Caution

🏷️ Tags

Legumes Plant-Based Moderate Oxalate Snacks & Sweets 🟡 Oxalate Caution

🟡 See all Legumes rated Caution for kidney stones →

⚖️ Compare this food: · vs Tofu · vs Condiments

🔗 Related Foods

❓ Frequently Asked Questions

Is Crackers safe for kidney stones?

It's not off-limits, but keep an eye on portions. Crackers has 57 mg oxalate per 1 oz — that's in the caution zone (25-99 mg). Eat it, just don't make it a daily thing.

What's the oxalate content of Crackers?

The lab result: 57 mg per 1 oz (28g serving). That's 204 mg per 100g. Harvard's ion chromatography analysis, 2024. Not crowdsourced, not estimated.

Is Crackers a high-oxalate food?

It's in the moderate range. 57 mg per 1 oz sits between safe and high-risk. Manageable if you watch how much you eat.

What can I eat instead of 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?

Sodium's not the issue here. Crackers has 0 mg per 100g — comfortably low. No need to worry about salt pushing extra calcium into your urine with this food.

How much Crackers is safe to eat?

Think garnish, not main dish. Crackers at 57 mg per 1 oz is a lot for one food. Use smaller amounts spread across meals or as a flavor accent rather than the centerpiece.

🔍 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.