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

Cranberry juice, unsweetened

🟢 Safe — Low Oxalate
1 mg oxalate / serving
Serving: 1 cup (253 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

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

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1 cup253 g1 mg Safe
2 x 1 cup506 g2 mg Safe
½ x 1 cup126 g0.5 mg Safe

🏷️ Tags

Beverages 🟢 Oxalate Safe Low Oxalate Plant-Based

🟢 See all Beverages rated Safe for kidney stones →

🔗 Related Foods

❓ Frequently Asked Questions

Is Cranberry juice safe for kidney stones?

It's fine. Cranberry juice has 1 mg of oxalate per 1 cup. That's low enough that kidney stone patients don't really need to worry about it. Harvard did the measuring, not us.

How much oxalate is in Cranberry juice?

The exact figure: 1 mg of oxalate per 1 cup of Cranberry juice. Works out to 0 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.

Is Cranberry juice a high-oxalate food?

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

What can I eat instead of Cranberry juice?

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 Cranberry juice with a fraction of the oxalate.

Is Cranberry juice a good drink for kidney stones?

As far as kidney stones go, Cranberry juice is in the safe zone for beverages at 1 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 Cranberry juice?

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.