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

Nuts, Cashew, raw or roasted

🟡 Caution — Moderate
72 mg oxalate / serving
Serving: 1/4 cup (29 g) | Per 100 g: 249 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

72 mg
Oxalate / serving
Moderate
4 mg
Sodium / 100g
Low Na
17.4 g
Protein / 100g
Tier 1
42 mg
Calcium / 100g
Tier 1

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1/4 cup29 g72 mg Caution
2 x 1/4 cup58 g144 mg Avoid
½ x 1/4 cup14 g36 mg Caution

🏷️ Tags

Nuts & Seeds Moderate Oxalate 🟡 Oxalate Caution

🟡 See all Nuts & Seeds rated Caution for kidney stones →

⚖️ Compare this food: · vs Flour · vs Seeds

🔗 Related Foods

❓ Frequently Asked Questions

Should I avoid Nuts if I have kidney stones?

It's not off-limits, but keep an eye on portions. Nuts has 72 mg oxalate per 1/4 cup — that's in the caution zone (25-99 mg). Eat it, just don't make it a daily thing.

How much oxalate is in Nuts?

Here are the numbers: 72 mg oxalate in one 1/4 cup of Nuts (29g). Per 100 grams, that's 249 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.

Is Nuts high in oxalates?

It's in the moderate range. 72 mg per 1/4 cup sits between safe and high-risk. Manageable if you watch how much you eat.

What can I eat instead of Nuts?

Look at the 'Safe Alternatives' section right below this FAQ. Those foods are all under 25 mg oxalate per serving and in the same category as Nuts. Pick from those.

How much Nuts is safe to eat?

The portion math: 1/4 cup = 72 mg oxalate. Half serving = ~36 mg. With a 100 mg daily oxalate target, 72 mg from one food eats a big chunk of your budget. Go smaller.

How much sodium does Nuts have?

Low sodium: 4 mg/100g. That's a non-issue for kidney stones. Just don't undo it by drowning it in salt during cooking.

🔍 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.