How Much Oxalate Is in Nopal (Prickly Pear) (Raw)?

Per serving, Nopal (Prickly Pear) (Raw) comes in at 226 mg of oxalate — and 152 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 Nopal (Prickly Pear) (Raw) in the Avoid group for kidney stone diets.
✓ Lab-Verified Data Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.
226
mg oxalate
per serving
Food: Nopal (Prickly Pear), Raw
Serving: 1 cup (149 g)
Verdict: 🔴 Avoid
Per 100g: 152 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

What this means: Nopal (Prickly Pear) (Raw) is rated Avoid (🔴). At 226 mg oxalate per serving, it exceeds the 100 mg threshold. Kidney stone patients should limit or avoid this food. If you do eat it, keep portions very small, pair it with calcium, and drink extra water. Check the full food page for safer alternatives.

📊 How Nopal (Prickly Pear) (Raw) Compares

Among vegetables, Nopal (Prickly Pear) (Raw) sits well above 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 Nopal (Prickly Pear) (Raw) is 736% above the category norm. Within its specific category, Nopal (Prickly Pear) (Raw) ranks on the higher end for oxalate. 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 Avoid 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. For context, Nopal (Prickly Pear) (Raw) measures 226 mg per 1 cup, rated Avoid.

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. Applied to Nopal (Prickly Pear) (Raw): 226 mg oxalate per 1 cup — Avoid per Harvard (2024).

How does this compare to other foods?

Foods under 25 mg per serving are rated Safe. Foods between 25-99 mg are Caution. 100+ mg is Avoid. Check the food's category page on OxalateWatch to see how it compares to similar foods. Applied to Nopal (Prickly Pear) (Raw): 226 mg oxalate per 1 cup — Avoid per Harvard (2024).

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.