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

Legumes, Beans, Black or Turtle, dried, boiled

🟡 Caution — Moderate
51 mg oxalate / serving
Serving: 1/2 cup (86 g) | Per 100 g: 60 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

51 mg
Oxalate / serving
Moderate
Sodium / 100g
Pending
Protein / 100g
Pending
Calcium / 100g
Pending

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1/2 cup86 g51 mg Caution
2 x 1/2 cup172 g102 mg Avoid
½ x 1/2 cup43 g25.5 mg Caution

🏷️ Tags

Legumes Plant-Based Moderate Oxalate 🟡 Oxalate Caution Calcium-Rich

🟡 See all Legumes rated Caution for kidney stones →

🔗 Related Foods

❓ Frequently Asked Questions

Can I eat Legumes with kidney stones?

You can have it. Just be aware that at 51 mg oxalate per 1/2 cup, Legumes isn't in the all-clear zone. Think 'sometimes food,' not 'everyday food.'

How much oxalate is in Legumes?

51 mg — that's the oxalate in a standard 1/2 cup of Legumes. For the 100g comparison freaks: 60 mg. Source is Harvard's 2024 food analysis project.

Is Legumes a high-oxalate food?

It's in the moderate range. 51 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 Legumes?

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 Legumes with a fraction of the oxalate.

How much Legumes is safe to eat?

Size matters. 1/2 cup of Legumes = 51 mg. Cut it in half, you're at roughly 25.5 mg. If you love this food, the half-portion strategy is your best compromise.

How reliable is the data for Legumes?

Oxalate: very reliable (Harvard 2024 lab measurement). Other nutrients: still being matched to USDA data. The oxalate figure is what matters for a kidney stone decision, and that one's solid.

🔍 Explore More About This Food

📚 Data Sources

Oxalate: Harvard T.H. Chan School of Public Health (2024) via OHF.

📖 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.