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

Pasta, spaghetti, cooked

🟢 Safe — Low Oxalate
1 mg oxalate / serving
Serving: 1 cup (140 g) | Per 100 g: 0 mg
✓ Medically Reviewed Content reviewed by OxalateWatch Editorial Team. Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.

Pasta made from refined white flour is one of the safest carb sources for kidney stone patients — about 1 mg oxalate per cup of cooked spaghetti. Whole wheat pasta runs higher (15-25 mg) for the same reason as bread: the bran contains oxalate. The pasta itself is rarely the problem; it's what you put on it. Marinara is fine (tomatoes are low oxalate). Alfredo is fine (cream and cheese add protective calcium). The real oxalate traps are spinach-stuffed ravioli, spinach lasagna, and dishes where spinach or beet greens are the main vegetable. The pasta is innocent. For a completely safe pasta night: spaghetti with marinara and a generous sprinkle of parmesan.

📊 Nutrition at a Glance

1 mg
Oxalate / serving
Low Oxalate
Sodium / 100g
Pending
Protein / 100g
Pending
Calcium / 100g
Pending

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1 cup140 g1 mg Safe
2 x 1 cup280 g2 mg Safe
½ x 1 cup70 g0.5 mg Safe

🏷️ Tags

Grains & Pasta 🟢 Oxalate Safe Low Oxalate Plant-Based

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

⚖️ Compare this food: · vs Cereal · vs Cereal

🔗 Related Foods

❓ Frequently Asked Questions

Is Pasta safe for kidney stones?

Safe pick. 1 mg oxalate per 1 cup means Pasta is comfortably in the green zone. Harvard's 2024 lab data says so. No need to track this one obsessively.

What's the oxalate content of Pasta?

Quick math: 1 cup of Pasta = 1 mg oxalate. 100g = 0 mg. Both numbers come from Harvard's latest lab measurements. Not AI, not a database, actual lab work.

Is Pasta low or high oxalate?

It's low. 1 mg per 1 cup is well under the 25 mg danger line. Pasta is not the food you need to worry about.

What are the best low-oxalate alternatives to Pasta?

Look at the 'Safe Alternatives' section right below this FAQ. Those foods are all under 25 mg oxalate per serving and in the same category as Pasta. Pick from those.

How reliable is the data for Pasta?

Oxalate: very reliable (Harvard 2024 lab measurement). Other nutrients: still being matched to USDA data. The oxalate figure is what matters for a kidney stone decision, and that one's solid.

🔍 Explore More About This Food

📚 Data Sources

Oxalate: Harvard T.H. Chan School of Public Health (2024) via OHF.

📖 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.