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

Seltzers

🟢 Low Oxalate — Low Oxalate
2 mg oxalate / serving
Serving: 12 oz (356 g) | Per 100 g: 1 mg
✓ Lab-Verified Data Oxalate values from Harvard T.H. Chan SPH Oxalate Database (2024), measured via ion chromatography. This site is a dietary reference tool, not a medical resource.

📊 Nutrition at a Glance

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

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
12 oz356 g2 mg Low Oxalate
2 x 12 oz712 g4 mg Low Oxalate
½ x 12 oz178 g1 mg Low Oxalate

🏷️ Tags

Beverages 🟢 Oxalate Safe Low Oxalate

🟢 See all Beverages rated Safe for kidney stones →

🔗 Related Foods

❓ Frequently Asked Questions

Can I eat Seltzers with kidney stones?

Safe pick. 2 mg oxalate per 12 oz means Seltzers 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 Seltzers?

Quick math: 12 oz of Seltzers = 2 mg oxalate. 100g = 1 mg. Both numbers come from Harvard's latest lab measurements. Not AI, not a database, actual lab work.

Is Seltzers low or high oxalate?

Nope. Seltzers is a low-oxalate food — just 2 mg per 12 oz. Well under the 25 mg cutoff. You're in the clear with this one.

What can I eat instead of Seltzers?

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 Seltzers with a fraction of the oxalate.

Is Seltzers a good drink for kidney stones?

As far as kidney stones go, Seltzers is in the safe zone for beverages at 2 mg per serving. Hydration matters more than anything — so drink plenty of water regardless of what else you consume.

How reliable is the data for Seltzers?

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.

📚 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.