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

Tomato, Variety, All Colors, Raw

๐ŸŸข Safe โ€” Low Oxalate
17 mg oxalate / serving
Serving: 1 cup, sliced (180 g) | Per 100 g: 9 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

17 mg
Oxalate / serving
Low Oxalate
0 mg
Sodium / 100g
Low Na
0.7 g
Protein / 100g
Tier 1
10 mg
Calcium / 100g
Tier 1

๐Ÿ“ Oxalate by Serving Size

ServingWeightOxalateVerdict
1 cup, sliced180 g17 mg Safe
2 x 1 cup, sliced360 g34 mg Caution
ยฝ x 1 cup, sliced90 g8.5 mg Safe

๐Ÿท๏ธ Tags

Vegetables ๐ŸŸข Oxalate Safe Low Oxalate Plant-Based

๐ŸŸข See all Vegetables rated Safe for kidney stones โ†’

๐Ÿ”— Related Foods

โ“ Frequently Asked Questions

Is Tomato safe for kidney stones?

Yep, you're good. Tomato clocks in at 17 mg oxalate per 1 cup, sliced โ€” way under the 25 mg cutoff. Eat it without the stress. Measured by Harvard, not guessed.

What's the oxalate content of Tomato?

Here are the numbers: 17 mg oxalate in one 1 cup, sliced of Tomato (180g). Per 100 grams, that's 9 mg. Harvard T.H. Chan SPH did the lab work (2024) โ€” these aren't database guesses.

Is Tomato a high-oxalate food?

Definitely low. 17 mg oxalate per 1 cup, sliced. That's the green zone. No restrictions needed for this food.

What are the best low-oxalate alternatives to Tomato?

The easiest move: swap Tomato 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 Tomato have?

Low sodium: 0 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.