How Much Oxalate Is in Bok Choy (Leaves)?

Per serving, Bok Choy (Leaves) comes in at 3 mg of oxalate — and 8 mg per 100g when scaled. Both figures are from Harvard T.H. Chan SPH's 2024 laboratory analysis, the reference standard for oxalate content. With the 25 mg per serving line in mind, that places Bok Choy (Leaves) in the Safe group for kidney stone diets.
✓ Lab-Verified Data Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.
3
mg oxalate
per serving
Food: Bok Choy, leaves
Serving: 1 cup (36 g)
Verdict: 🟢 Safe
Per 100g: 8 mg
Data: Harvard T.H. Chan SPH (2024)
🔄 Lower-Oxalate Alternatives
🟢 Garlic
0 mg / serving
🟢 Kombu Seaweed
0 mg / serving
🟢 Wakame Seaweed
0 mg / serving
🟢 Passion Fruit or Granadilla
0 mg / serving
💡 What This Means for Your Diet

In practical terms, Bok Choy (Leaves) is a low-risk food for kidney stone patients. Its 3 mg oxalate per serving stays under the 25 mg line, so it can appear in your regular rotation without extra calculation. As always, staying hydrated and getting dietary calcium supports stone prevention.

📊 How Bok Choy (Leaves) Compares

Among vegetables, Bok Choy (Leaves) sits well below the category average of 27 mg. For context, 219 out of 271 vegetables (80%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average vegetables in our database has 27 mg oxalate per serving — which means Bok Choy (Leaves) is 89% below the category norm. Within its specific category, Bok Choy (Leaves) ranks among the lower-oxalate options. This context matters because two 'Safe' foods can have very different oxalate levels — one might have 5 mg while another has 24 mg. Both are Safe, but the first gives you more dietary flexibility. Browse all vegetables rated Safe to compare within the same verdict level.

❓ Related Questions

Why does oxalate per 100g matter?

Per-100g values put every food on the same scale, which is handy when serving sizes differ a lot between foods — or when your portion doesn't match the standard serving. It lets you compare apples to apples on oxalate density. Applied to Bok Choy (Leaves): 3 mg oxalate per 1 cup — Safe per Harvard (2024).

How accurate is the oxalate measurement?

The measurements use ion chromatography, the accepted reference method for oxalate. That means real lab values for each food rather than inferred numbers. Some natural variation exists between samples, but this is the strongest published data set. For context, Bok Choy (Leaves) measures 3 mg per 1 cup, rated Safe.

How does this compare to other foods?

The ratings split at 25 mg (Safe) and 100 mg (Avoid), with 25-99 mg in the Caution band. For context against similar foods, the category pages on OxalateWatch rank every item in that group by oxalate. For Bok Choy (Leaves), the measured oxalate value is 3 mg per 1 cup (Safe).

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.