🟢 Safe
Oxalate <25 mg/serving
Oxalate <25 mg/serving
🟡 Caution
Oxalate 25-99 mg/serving
Oxalate 25-99 mg/serving
🔴 Avoid
Oxalate ≥100 mg/serving
Oxalate ≥100 mg/serving
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
1 mg
Sodium / 100g
Low Na
1.0 g
Protein / 100g
Tier 1
21 mg
Calcium / 100g
Tier 1
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 1 bar | 30 g | 3 mg | Safe |
| 2 x 1 bar | 60 g | 6 mg | Safe |
| ½ x 1 bar | 15 g | 1.5 mg | Safe |
🏷️ Tags
🟢 See all Fruits rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Can I eat Bars with kidney stones?
Yep, you're good. Bars clocks in at 3 mg oxalate per 1 bar — way under the 25 mg cutoff. Eat it without the stress. Measured by Harvard, not guessed.
What's the oxalate content of Bars?
One 1 bar of Bars = 3 mg oxalate. Scale it up to 100g and you're at 11 mg. Direct measurement from Harvard, 2024. About as reliable as food data gets.
Is Bars high in oxalates?
Definitely low. 3 mg oxalate per 1 bar. That's the green zone. No restrictions needed for this food.
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 sodium does Bars have?
1 mg sodium per 100g in Bars. Well under the 460 mg threshold. One less thing on your kidney stone checklist.
🔍 Explore More About This Food
See our detailed safety analysis for this food
Exact oxalate numbers: how much is in a serving
Low, moderate, or high oxalate? Full breakdown
How much sodium? Kidney stone risk check
📚 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.