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

Cereal, Shredded Wheat, Post

🟡 Caution — Moderate
41 mg oxalate / serving
Serving: (51 g) | Per 100 g: 0 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

41 mg
Oxalate / serving
Moderate
102 mg
Sodium / 100g
Low Na
8.5 g
Protein / 100g
Tier 1
38 mg
Calcium / 100g
Tier 1

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
51 g41 mg Caution
2 x 102 g82 mg Caution
½ x 25 g20.5 mg Safe

🏷️ Tags

Grains & Pasta Plant-Based Moderate Oxalate 🟡 Oxalate Caution Processed Food

🟡 See all Grains & Pasta rated Caution for kidney stones →

⚖️ Compare this food: · vs Pasta · vs Pasta

🔗 Related Foods

❓ Frequently Asked Questions

Is Cereal safe for kidney stones?

It's not off-limits, but keep an eye on portions. Cereal has 41 mg oxalate per — that's in the caution zone (25-99 mg). Eat it, just don't make it a daily thing.

What's the oxalate content of Cereal?

41 mg — that's the oxalate in a standard of Cereal. For the 100g comparison freaks: 0 mg. Source is Harvard's 2024 food analysis project.

Is Cereal low or high oxalate?

Middle of the pack. 41 mg oxalate per puts Cereal in the moderate zone. Fine occasionally, not an everyday food.

What are the best low-oxalate alternatives to Cereal?

Plenty of options. Scroll down to Related Foods — every 🟢 green item there is a lower-oxalate alternative to Cereal. Same food group, way less oxalate.

How much sodium does Cereal have?

Sodium's not the issue here. Cereal has 102 mg per 100g — comfortably low. No need to worry about salt pushing extra calcium into your urine with this food.

How much Cereal is safe to eat?

A standard serving () of Cereal gives you 41 mg oxalate. Half that = 20.5 mg. That's the difference between a caution-level and a safe-level meal. Portions matter a lot here.

🔍 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.