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

Corn, Tortilla, yellow or white

๐ŸŸข Safe โ€” Low Oxalate
7 mg oxalate / serving
Serving: 1 serving (100 g) | Per 100 g: 0 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

7 mg
Oxalate / serving
Low Oxalate
2 mg
Sodium / 100g
Low Na
7.6 g
Protein / 100g
Tier 1
111 mg
Calcium / 100g
Tier 1

๐Ÿ“ Oxalate by Serving Size

ServingWeightOxalateVerdict
1 serving100 g7 mg Safe
2 x 1 serving200 g14 mg Safe
ยฝ x 1 serving50 g3.5 mg Safe

๐Ÿท๏ธ Tags

Grains & Pasta ๐ŸŸข Oxalate Safe Low Oxalate Plant-Based Calcium-Rich

๐ŸŸข See all Grains & Pasta rated Safe for kidney stones โ†’

๐Ÿ”— Related Foods

โ“ Frequently Asked Questions

Should I avoid Corn if I have kidney stones?

Don't overthink this one. Corn has 7 mg oxalate per 1 serving. That's solidly safe territory for kidney stones. The number is from Harvard's latest lab work.

How much oxalate is in Corn?

One 1 serving of Corn = 7 mg oxalate. Scale it up to 100g and you're at 0 mg. Direct measurement from Harvard, 2024. About as reliable as food data gets.

Is Corn high in oxalates?

It's low. 7 mg per 1 serving is well under the 25 mg danger line. Corn is not the food you need to worry about.

What are the best low-oxalate alternatives to Corn?

The easiest move: swap Corn for any ๐ŸŸข Safe food in the related foods grid. They're all under 25 mg per serving and verified by Harvard's 2024 data. Problem solved.

How much sodium does Corn have?

Low sodium: 2 mg/100g. That's a non-issue for kidney stones. Just don't undo it by drowning it in salt during cooking.

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.