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

Bars, Peanut butter, Crunchy, Clif

🟡 Caution — Moderate
72 mg oxalate / serving
Serving: 1 bar (68 g) | Per 100 g: 106 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
220 mg
Sodium / 100g
Mod Na
24.0 g
Protein / 100g
Tier 1
49 mg
Calcium / 100g
Tier 1

⚠️ Moderate Sodium

Bars has 220 mg sodium per 100g. While not critically high, kidney stone patients should monitor sodium intake as excess can raise urinary calcium.

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1 bar68 g72 mg Caution
2 x 1 bar136 g144 mg Avoid
½ x 1 bar34 g36 mg Caution

🏷️ Tags

Nuts & Seeds Moderate Oxalate Snacks & Sweets 🟡 Oxalate Caution

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

⚖️ Compare this food: · vs Seeds · vs Bars

🔗 Related Foods

❓ Frequently Asked Questions

Is Bars safe for kidney stones?

Proceed, but with awareness. Bars delivers 72 mg oxalate per 1 bar. That's moderate — above the safe line, below the danger line. Portion size is your friend here.

How much oxalate is in Bars?

Quick math: 1 bar of Bars = 72 mg oxalate. 100g = 106 mg. Both numbers come from Harvard's latest lab measurements. Not AI, not a database, actual lab work.

Is Bars low or high oxalate?

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

What can I eat instead of Bars?

Substitutes exist. The safe alternatives listed below are all low-oxalate foods in the same family as Bars. Grab one of those and you dodge the oxalate while keeping similar flavors.

How much Bars is safe to eat?

A standard serving (1 bar) of Bars gives you 72 mg oxalate. Half that = 36 mg. That's the difference between a caution-level and a safe-level meal. Portions matter a lot here.

How much sodium does Bars have?

The sodium level is fine — 220 mg/100g. If all your foods looked like this on sodium, you'd be in great shape for stone prevention.

🔍 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.