๐ŸŸข Safe
Oxalate <25 mg/serving
๐ŸŸก Caution
Oxalate 25-99 mg/serving
๐Ÿ”ด Avoid
Oxalate โ‰ฅ100 mg/serving
๐ŸŸก

Potatoes, Fingerling, White or Red, boiled

๐ŸŸก Caution โ€” Moderate
32 mg oxalate / serving
Serving: 1/2 cup (78 g) | Per 100 g: 42 mg
โœ“ Medically Reviewed Content reviewed by OxalateWatch Editorial Team. Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.

๐Ÿ“Š Nutrition at a Glance

32 mg
Oxalate / serving
Moderate
2 mg
Sodium / 100g
Low Na
2.1 g
Protein / 100g
Tier 1
5 mg
Calcium / 100g
Tier 1

๐Ÿ“ Oxalate by Serving Size

ServingWeightOxalateVerdict
1/2 cup78 g32 mg Caution
2 x 1/2 cup156 g64 mg Caution
ยฝ x 1/2 cup39 g16 mg Safe

๐Ÿท๏ธ Tags

Vegetables Plant-Based Moderate Oxalate ๐ŸŸก Oxalate Caution

๐ŸŸก See all Vegetables rated Caution for kidney stones โ†’

โš–๏ธ Compare this food: ยท vs Kale ยท vs Spinach โ†’

๐Ÿ”— Related Foods

โ“ Frequently Asked Questions

Should I avoid Potatoes if I have kidney stones?

It's a 'watch it' food, not a 'stop it' food. 32 mg per 1/2 cup puts Potatoes in the caution range. Pair it with calcium-rich foods and you'll blunt some of the oxalate absorption.

What's the oxalate content of Potatoes?

The lab result: 32 mg per 1/2 cup (78g serving). That's 42 mg per 100g. Harvard's ion chromatography analysis, 2024. Not crowdsourced, not estimated.

Is Potatoes low or high oxalate?

It's in the moderate range. 32 mg per 1/2 cup sits between safe and high-risk. Manageable if you watch how much you eat.

What are the best low-oxalate alternatives to Potatoes?

Plenty of options. Scroll down to Related Foods โ€” every ๐ŸŸข green item there is a lower-oxalate alternative to Potatoes. Same food group, way less oxalate.

How much Potatoes is safe to eat?

Size matters. 1/2 cup of Potatoes = 32 mg. Cut it in half, you're at roughly 16 mg. If you love this food, the half-portion strategy is your best compromise.

How much sodium does Potatoes have?

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

๐Ÿ” Explore More About This Food

๐Ÿ“š Data Sources

Oxalate: Harvard T.H. Chan School of Public Health (2024) via OHF. Nutrition: USDA FoodData Central (SR Legacy 2018 & Foundation Foods).

๐Ÿ“– 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.