Home › Foods › Safe › Corn Syrup, Dark or Light
🟢 Safe
Oxalate <25 mg/serving
🟡 Caution
Oxalate 25-99 mg/serving
🔴 Avoid
Oxalate ≥100 mg/serving
🟢

Corn Syrup, Dark or Light

🟢 Safe — Low Oxalate
0 mg oxalate / serving
Serving: 1 tbsp (21 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

0 mg
Oxalate / serving
Low Oxalate
2 mg
Sodium / 100g
Low Na
7.6 g
Protein / 100g
Tier 1
111 mg
Calcium / 100g
Tier 1

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1 tbsp21 g0 mg Safe
2 x 1 tbsp42 g0 mg Safe
½ x 1 tbsp10 g0 mg Safe

🏷️ Tags

Grains & Pasta 🟢 Oxalate Safe Low Oxalate Plant-Based Calcium-Rich

🟢 See all Grains & Pasta rated Safe for kidney stones →

🔗 Related Foods

🟢 Safe alternatives (recommended)

🟢
Corn
0 mg oxalate/serving
 🟢
Licorice DGL
0 mg oxalate/serving
 🟢
cornstarch
0 mg oxalate/serving
 🟢
Corn oil
0 mg oxalate/serving

⚠️ Other foods in this category to watch

🔴
Cereals
105 mg oxalate/serving
 🔴
Cereal
103 mg oxalate/serving
 🟡
Flour
84 mg oxalate/serving
 🟡
(TVP)
77 mg oxalate/serving

❓ Frequently Asked Questions

Can I eat Corn Syrup with kidney stones?

Safe pick. 0 mg oxalate per 1 tbsp means Corn Syrup is comfortably in the green zone. Harvard's 2024 lab data says so. No need to track this one obsessively.

What's the oxalate content of Corn Syrup?

Here are the numbers: 0 mg oxalate in one 1 tbsp of Corn Syrup (21g). Per 100 grams, that's 0 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.

Is Corn Syrup a high-oxalate food?

Low. 0 mg per 1 tbsp puts Corn Syrup firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.

What can I eat instead of Corn Syrup?

There are almost always safer swaps in the same food family. For Corn Syrup, check the related foods section below — the green-marked ones are your best bets. All verified by Harvard (2024).

How much sodium does Corn Syrup have?

The sodium level is fine — 2 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

🟢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.