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

Parmesan cheese, grated

🟢 Safe — Low Oxalate
0 mg oxalate / serving
Serving: 2 tbsp (10 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.

📊 Nutrition at a Glance

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

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
2 tbsp10 g0 mg Safe
2 x 2 tbsp20 g0 mg Safe
½ x 2 tbsp5 g0 mg Safe

🏷️ Tags

Dairy & Eggs 🟢 Oxalate Safe Low Oxalate Calcium-Rich

🟢 See all Dairy & Eggs rated Safe for kidney stones →

🔗 Related Foods

❓ Frequently Asked Questions

Is Parmesan cheese safe for kidney stones?

Safe pick. 0 mg oxalate per 2 tbsp means Parmesan cheese is comfortably in the green zone. Harvard's 2024 lab data says so. No need to track this one obsessively.

How much oxalate is in Parmesan cheese?

0 mg — that's the oxalate in a standard 2 tbsp of Parmesan cheese. For the 100g comparison freaks: 0 mg. Source is Harvard's 2024 food analysis project.

Is Parmesan cheese a high-oxalate food?

Low. 0 mg per 2 tbsp puts Parmesan cheese firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.

What can I eat instead of Parmesan cheese?

Substitutes exist. The safe alternatives listed below are all low-oxalate foods in the same family as Parmesan cheese. Grab one of those and you dodge the oxalate while keeping similar flavors.

How reliable is the data for Parmesan cheese?

The oxalate number for Parmesan cheese — 0 mg per serving — is from Harvard's 2024 lab analysis. That part is solid. The USDA nutrition data (sodium, protein, calcium) is still being matched — we'll update when it's available.

🔍 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.