Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
🚨 High Sodium Alert
Mustard Greens contains 1100 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 |
|---|---|---|---|
| 1/2 cup, chopped | 70 g | 5 mg | Safe |
| 2 x 1/2 cup, chopped | 140 g | 10 mg | Safe |
| ½ x 1/2 cup, chopped | 35 g | 2.5 mg | Safe |
🏷️ Tags
🟢 See all Vegetables rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Should I avoid Mustard Greens if I have kidney stones?
Safe pick. 5 mg oxalate per 1/2 cup, chopped means Mustard Greens is comfortably in the green zone. Harvard's 2024 lab data says so. No need to track this one obsessively.
How much oxalate is in Mustard Greens?
Here are the numbers: 5 mg oxalate in one 1/2 cup, chopped of Mustard Greens (70g). Per 100 grams, that's 7 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.
Is Mustard Greens a high-oxalate food?
It's low. 5 mg per 1/2 cup, chopped is well under the 25 mg danger line. Mustard Greens is not the food you need to worry about.
What are the best low-oxalate alternatives to Mustard Greens?
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 Mustard Greens with a fraction of the oxalate.
Is Mustard Greens high in sodium?
Sodium warning: Mustard Greens packs 1100 mg per 100g. That's high enough to push extra calcium into your urine — a stone risk you don't need. Pick low-sodium versions if they exist.