Is Cantaloupe Safe for Kidney Stones?

Q: Is Cantaloupe safe for kidney stones?

It's fine. Cantaloupe has 2 mg of oxalate per 1 cup. That's low enough that kidney stone patients don't really need to worry about it. Harvard did the measuring, not us.

Q: How much oxalate is in Cantaloupe?

One 1 cup of Cantaloupe = 2 mg oxalate. Scale it up to 100g and you're at 1 mg. Direct measurement from Harvard, 2024. About as reliable as food data gets.

Q: Is Cantaloupe a high-oxalate food?

Definitely low. 2 mg oxalate per 1 cup. That's the green zone. No restrictions needed for this food.

Q: What are the best low-oxalate alternatives to Cantaloupe?

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

Q: Is Cantaloupe high in sodium?

735 mg sodium per 100g — that's elevated. For kidney stone patients, sodium is a sneaky risk factor. It increases urinary calcium. Watch this one.

🟢 Safe
Oxalate <25 mg/serving

🟡 Caution
Oxalate 25-99 mg/serving

🔴 Avoid
Oxalate ≥100 mg/serving

✓ 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

735 mg

Sodium / 100g

High Na

0.8 g

Protein / 100g

Tier 1

88 mg

Calcium / 100g

Tier 1

🚨 High Sodium Alert

Cantaloupe contains 735 mg sodium per 100g — well above the recommended limit for kidney stone patients. High sodium intake can increase calcium in urine, raising stone risk.

📏 Oxalate by Serving Size

Serving	Weight	Oxalate	Verdict
1 cup	160 g	2 mg	Safe
2 x 1 cup	320 g	4 mg	Safe
½ x 1 cup	80 g	1 mg	Safe

🏷️ Tags

🟢 See all Fruits rated Safe for kidney stones →

🔗 Related Foods

❓ Frequently Asked Questions

It's fine. Cantaloupe has 2 mg of oxalate per 1 cup. That's low enough that kidney stone patients don't really need to worry about it. Harvard did the measuring, not us.

How much oxalate is in Cantaloupe?

One 1 cup of Cantaloupe = 2 mg oxalate. Scale it up to 100g and you're at 1 mg. Direct measurement from Harvard, 2024. About as reliable as food data gets.

Is Cantaloupe a high-oxalate food?

Definitely low. 2 mg oxalate per 1 cup. That's the green zone. No restrictions needed for this food.

What are the best low-oxalate alternatives to Cantaloupe?

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

Is Cantaloupe high in sodium?

735 mg sodium per 100g — that's elevated. For kidney stone patients, sodium is a sneaky risk factor. It increases urinary calcium. Watch this one.

🔍 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.

Cantaloupe, raw