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

Potato, Red, new, boiled w/out skin

🟢 Safe — Low Oxalate
10 mg oxalate / serving
Serving: 1/2 cup (78 g) | Per 100 g: 13 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

10 mg
Oxalate / serving
Low Oxalate
47 mg
Sodium / 100g
Low Na
8.1 g
Protein / 100g
Tier 1
44 mg
Calcium / 100g
Tier 1

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1/2 cup78 g10 mg Safe
2 x 1/2 cup156 g20 mg Safe
½ x 1/2 cup39 g5 mg Safe

🏷️ Tags

Vegetables 🟢 Oxalate Safe Low Oxalate Plant-Based

🟢 See all Vegetables rated Safe for kidney stones →

🔗 Related Foods

❓ Frequently Asked Questions

Should I avoid Potato if I have kidney stones?

Short answer: yes. Longer answer: at 10 mg per 1/2 cup, Potato is one of the safer things you can eat if you're watching oxalate. Harvard T.H. Chan SPH measured this directly.

What's the oxalate content of Potato?

10 mg — that's the oxalate in a standard 1/2 cup of Potato. For the 100g comparison freaks: 13 mg. Source is Harvard's 2024 food analysis project.

Is Potato a high-oxalate food?

Definitely low. 10 mg oxalate per 1/2 cup. That's the green zone. No restrictions needed for this food.

What are the best low-oxalate alternatives to Potato?

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 Potato. Pick from those.

How much sodium does Potato have?

Sodium's not the issue here. Potato has 47 mg per 100g — comfortably low. No need to worry about salt pushing extra calcium into your urine with this food.

🔍 Explore More About This Food

📚 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.