Is Soup Safe for Kidney Stones? | Caution | OxalateWatch

OxalateWatch

🟢 Safe
Oxalate <25 mg/serving

🟡 Caution
Oxalate 25-99 mg/serving

🔴 Avoid
Oxalate ≥100 mg/serving

✓ 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

51 mg

Oxalate / serving

Moderate

423 mg

Sodium / 100g

Mod Na

6.1 g

Protein / 100g

Tier 1

47 mg

Calcium / 100g

Tier 1

⚠️ Moderate Sodium

Soup has 423 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

Serving	Weight	Oxalate	Verdict
1 cup	236 g	51 mg	Caution
2 x 1 cup	472 g	102 mg	Avoid
½ x 1 cup	118 g	25.5 mg	Caution

🏷️ Tags

Vegetables Plant-Based Moderate Oxalate 🟡 Oxalate Caution

🟡 See all Vegetables rated Caution for kidney stones →

⚖️ Compare this food: · vs Chayote squash · vs pumpkin →

🔗 Related Foods

❓ Frequently Asked Questions

Is Soup safe for kidney stones?

Awareness over avoidance. Soup has 51 mg oxalate per 1 cup — higher than ideal, but not panic-worthy. Smaller servings, less frequent, problem mostly solved.

What's the oxalate content of Soup?

Here are the numbers: 51 mg oxalate in one 1 cup of Soup (236g). Per 100 grams, that's 22 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.

Is Soup a high-oxalate food?

Moderate. Soup has 51 mg oxalate per 1 cup — not high enough to panic, not low enough to ignore. Portions matter with this one.

What can I eat instead of Soup?

The easiest move: swap Soup for any 🟢 Safe food in the related foods grid. They're all under 25 mg per serving and verified by Harvard's 2024 data. Problem solved.

How much sodium does Soup have?

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

How much Soup is safe to eat?

The portion math: 1 cup = 51 mg oxalate. Half serving = ~25.5 mg. With a 100 mg daily oxalate target, 51 mg from one food eats a big chunk of your budget. Go smaller.

🔍 Explore More About This Food

🟢See our detailed safety analysis for this food 📊Exact oxalate numbers: how much is in a serving 📋Low, moderate, or high oxalate? Full breakdown 🔄Best lower-oxalate alternatives in the same category 📏What's a safe portion size? Practical guide 🧂How much sodium? Kidney stone risk check

📚 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.