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

Gelatin, Jell-O, any flavor, regular or sugar free

🟢 Safe — Low Oxalate
2 mg oxalate / serving
Serving: 1/2 cup prepared (22 g) | Per 100 g: 7 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

2 mg
Oxalate / serving
Low Oxalate
210 mg
Sodium / 100g
Mod Na
0.8 g
Protein / 100g
Tier 1
0 mg
Calcium / 100g
Tier 1

⚠️ Moderate Sodium

Gelatin has 210 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
1/2 cup prepared22 g2 mg Safe
2 x 1/2 cup prepared44 g4 mg Safe
½ x 1/2 cup prepared11 g1 mg Safe

🏷️ Tags

Condiments 🟢 Oxalate Safe Low Oxalate

🟢 See all Condiments rated Safe for kidney stones →

🔗 Related Foods

❓ Frequently Asked Questions

Should I avoid Gelatin if I have kidney stones?

No red flags here. Just 2 mg per 1/2 cup prepared — well below the 25 mg danger line. You can keep Gelatin in your regular rotation. Data comes from Harvard (2024).

What's the oxalate content of Gelatin?

Here are the numbers: 2 mg oxalate in one 1/2 cup prepared of Gelatin (22g). Per 100 grams, that's 7 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.

Is Gelatin low or high oxalate?

Low. 2 mg per 1/2 cup prepared puts Gelatin firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.

What are the best low-oxalate alternatives to Gelatin?

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 Gelatin. Pick from those.

How much sodium does Gelatin have?

The sodium level is fine — 210 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.