🥦 Cruciferous Vegetables

Cruciferous vegetables. Based on Harvard T.H. Chan SPH oxalate data (2024).

32 foods in this collection

✓ Medically Reviewed Content reviewed by OxalateWatch editorial team. Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.

🟢 Safe
31 foods
96%

🟡 Caution
0 foods
0%

🔴 Avoid
1 foods
3%

🍽️ Foods in This Collection

🟢 Arugula

1 mg oxalate / serving

Safe

🟢 Bok Choy

3 mg oxalate / serving

Safe

🟢 Bok Choy

2 mg oxalate / serving

Safe

🟢 Broccoli greens

6 mg oxalate / serving

Safe

🟢 Broccoli

4 mg oxalate / serving

Safe

🟢 Broccoli

9 mg oxalate / serving

Safe

🟢 Broccolini

11 mg oxalate / serving

Safe

🟢 Brussel Sprouts

3 mg oxalate / serving

Safe

🟢 Brussel Sprouts

14 mg oxalate / serving

Safe

🟢 Cabbage

3 mg oxalate / serving

Safe

🟢 Cabbage

4 mg oxalate / serving

Safe

🟢 Cauliflower

2 mg oxalate / serving

Safe

🟢 Collard

6 mg oxalate / serving

Safe

🟢 Collards

21 mg oxalate / serving

Safe

🟢 Greens Turnip

5 mg oxalate / serving

Safe

🔴 Huazontle (Aztec broccoli)

263 mg oxalate / serving

Avoid

🟢 Kohlrabi

1 mg oxalate / serving

Safe

🟢 Radish

1 mg oxalate / serving

Safe

🟢 Rutabaga

4 mg oxalate / serving

Safe

🟢 Turnip Greens

6 mg oxalate / serving

Safe

🟢 Turnip

2 mg oxalate / serving

Safe

🟢 Watercress

4 mg oxalate / serving

Safe

🟢 Condiments

1 mg oxalate / serving

Safe

🟢 Vegetables (broccoli and zucchini)

5 mg oxalate / serving

Safe

🟢 Radish

1 mg oxalate / serving

Safe

🟢 Kimchi

2 mg oxalate / serving

Safe

🟢 Kohlrabi

1 mg oxalate / serving

Safe

🟢 Rutabaga

1 mg oxalate / serving

Safe

🟢 Arugula (rocket)

2 mg oxalate / serving

Safe

🟢 Daikon radish

1 mg oxalate / serving

Safe

🟢 Bok choy

1 mg oxalate / serving

Safe

🟢 Broccoli

1 mg oxalate / serving

Safe

❓ Frequently Asked Questions

How many foods are in this category?

There are 32 foods in this category in our database, all with oxalate data from Harvard T.H. Chan SPH (2024).

How should I prepare these foods?

Preparation method matters. Boiling and draining can reduce oxalate in many vegetables. Steaming and roasting have less effect. Check individual food pages for specific tips.

Are these foods generally safe for kidney stones?

It depends on the specific food — even within a category, oxalate levels vary widely. Some are very safe, others need caution. Check individual food pages for specific numbers.

Which foods in this category should I avoid?

Scan for the 🔴 markers below. These are the high-oxalate foods in this category. But keep in mind — one high-oxalate food doesn't mean the whole category is off-limits.

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.