Low-Oxalate Alternatives to Cactus
mg oxalate
per serving
Serving: 1 cup (86 g)
Verdict: 🔴 Avoid
Per 100g: 152 mg
Data: Harvard T.H. Chan SPH (2024)
What this means: Cactus is rated Avoid (🔴). At 131 mg oxalate per serving, Cactus 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.
Among vegetables, Cactus 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 Cactus is 384% above the category norm. Within its specific category, Cactus 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.
Can I still eat this food occasionally?
Occasional consumption is different from daily eating. If the oxalate is high, limit it to once every week or two, in small portions, paired with calcium. For daily eating, stick with the alternatives listed above.
Will boiling make this food safe?
Boiling can reduce soluble oxalate by 30-50%, but starting from a high baseline, it may still stay in elevated territory. Check the cooking-specific page for this food for exact numbers after boiling.
What if I really like this food?
You don't have to eliminate it entirely. Use a half portion, eat it less frequently (once every 1-2 weeks), and pair it with calcium-rich foods. The goal is reducing total daily oxalate, not zero oxalate.