Home › Foods › Safe › Berries, Cranberries, dried
🟢 Safe
Oxalate <25 mg/serving
🟡 Caution
Oxalate 25-99 mg/serving
🔴 Avoid
Oxalate ≥100 mg/serving
🟢

Berries, Cranberries, dried

🟢 Safe — Low Oxalate
1 mg oxalate / serving
Serving: 1/4 cup (40 g) | Per 100 g: 2 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
2 mg
Sodium / 100g
Low Na
0.5 g
Protein / 100g
Tier 1
8 mg
Calcium / 100g
Tier 1

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1/4 cup40 g1 mg Safe
2 x 1/4 cup80 g2 mg Safe
½ x 1/4 cup20 g0.5 mg Safe

🏷️ Tags

🟢 Oxalate Safe Low Oxalate

🔗 Related Foods

❓ Frequently Asked Questions

Is Berries safe for kidney stones?

Short answer: yes. Longer answer: at 1 mg per 1/4 cup, Berries is one of the safer things you can eat if you're watching oxalate. Harvard T.H. Chan SPH measured this directly.

How much oxalate is in Berries?

Here are the numbers: 1 mg oxalate in one 1/4 cup of Berries (40g). Per 100 grams, that's 2 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.

Is Berries low or high oxalate?

Low. 1 mg per 1/4 cup puts Berries firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.

What can I eat instead of Berries?

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 Berries. Pick from those.

How much sodium does Berries have?

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

🔍 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 🧂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.