Is Roselle (Red Sorrel - Hibiscus Sabdariffa) Safe for Kidney Stones? | Caution

OxalateWatch

🟢 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

95 mg

Oxalate / serving

Moderate

6 mg

Sodium / 100g

Low Na

1.0 g

Protein / 100g

Tier 1

215 mg

Calcium / 100g

Tier 1

📏 Oxalate by Serving Size

Serving	Weight	Oxalate	Verdict
1 cup	57 g	95 mg	Caution
2 x 1 cup	114 g	190 mg	Avoid
½ x 1 cup	28 g	47.5 mg	Caution

🏷️ Tags

Vegetables Plant-Based Moderate Oxalate 🟡 Oxalate Caution Calcium-Rich

🟡 See all Vegetables rated Caution for kidney stones →

⚖️ Compare this food: · vs Daikon radish · vs Celery seed →

🔗 Related Foods

❓ Frequently Asked Questions

Can I eat Roselle (Red Sorrel - Hibiscus Sabdariffa) with kidney stones?

Proceed, but with awareness. Roselle (Red Sorrel - Hibiscus Sabdariffa) delivers 95 mg oxalate per 1 cup. That's moderate — above the safe line, below the danger line. Portion size is your friend here.

What's the oxalate content of Roselle (Red Sorrel - Hibiscus Sabdariffa)?

Quick math: 1 cup of Roselle (Red Sorrel - Hibiscus Sabdariffa) = 95 mg oxalate. 100g = 166 mg. Both numbers come from Harvard's latest lab measurements. Not AI, not a database, actual lab work.

Is Roselle (Red Sorrel - Hibiscus Sabdariffa) a high-oxalate food?

It's in the moderate range. 95 mg per 1 cup sits between safe and high-risk. Manageable if you watch how much you eat.

What can I eat instead of Roselle (Red Sorrel - Hibiscus Sabdariffa)?

Don't give up the whole category — just pick a safer member of it. The green foods in the related section all work as substitutes for Roselle (Red Sorrel - Hibiscus Sabdariffa) with a fraction of the oxalate.

How much Roselle (Red Sorrel - Hibiscus Sabdariffa) is safe to eat?

Size matters. 1 cup of Roselle (Red Sorrel - Hibiscus Sabdariffa) = 95 mg. Cut it in half, you're at roughly 47.5 mg. If you love this food, the half-portion strategy is your best compromise.

How much sodium does Roselle (Red Sorrel - Hibiscus Sabdariffa) have?

Sodium's not the issue here. Roselle (Red Sorrel - Hibiscus Sabdariffa) has 6 mg per 100g — comfortably low. No need to worry about salt pushing extra calcium into your urine with this food.

🔍 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 🔄Best lower-oxalate alternatives in the same category 📏What's a safe portion size? Practical guide 🧂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.