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

Tomato Paste, Hunt's

🟢 Safe — Low Oxalate
3 mg oxalate / serving
Serving: 1 tbsp (16 g) | Per 100 g: 19 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

3 mg
Oxalate / serving
Low Oxalate
61 mg
Sodium / 100g
Low Na
4.2 g
Protein / 100g
Tier 1
36 mg
Calcium / 100g
Tier 1

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1 tbsp16 g3 mg Safe
2 x 1 tbsp32 g6 mg Safe
½ x 1 tbsp8 g1.5 mg Safe

🏷️ Tags

Vegetables 🟢 Oxalate Safe Low Oxalate Plant-Based

🟢 See all Vegetables rated Safe for kidney stones →

⚖️ Compare this food: · vs Spinach · vs Juice

🔗 Related Foods

❓ Frequently Asked Questions

Can I eat Tomato Paste with kidney stones?

No red flags here. Just 3 mg per 1 tbsp — well below the 25 mg danger line. You can keep Tomato Paste in your regular rotation. Data comes from Harvard (2024).

What's the oxalate content of Tomato Paste?

The exact figure: 3 mg of oxalate per 1 tbsp of Tomato Paste. Works out to 19 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.

Is Tomato Paste a high-oxalate food?

Low. 3 mg per 1 tbsp puts Tomato Paste firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.

What can I eat instead of Tomato Paste?

Don't give up the whole category — just pick a safer member of it. The green foods in the related section all work as substitutes for Tomato Paste with a fraction of the oxalate.

How much sodium does Tomato Paste have?

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

🔍 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.