Crackers — Low or High Oxalate?

Based on Harvard's 2024 lab measurements, Crackers falls in the **High Oxalate** range (100+ mg/serving). This is the category kidney stone patients need to be most careful with — consider limiting or substituting. At 115 mg per serving, Crackers is one to approach with caution.

✓ Medically Reviewed Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.

115
mg oxalate
per serving

Food: Crackers, Sesmark Sesame Thins
Serving: (30 g)
Verdict: 🔴 Avoid
Per 100g: 0 mg
Data: Harvard T.H. Chan SPH (2024)

💡 What This Means for Your Diet

What this means: Crackers is rated Avoid (🔴). At 115 mg oxalate per serving, Crackers 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 Crackers Compares

Among nuts & seeds, Crackers sits well above the category average of 36 mg. For context, 29 out of 51 nuts & seeds (56%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average nuts & seeds in our database has 36 mg oxalate per serving — which means Crackers is 223% above the category norm. Within its specific category, Crackers 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 nuts & seeds rated Avoid to compare within the same verdict level.

❓ Related Questions

What's the difference between 'Low' and 'Safe'?

Low Oxalate means under 25 mg per serving — the same threshold as Safe. They're equivalent in practice. The verdict system uses Low/Moderate/High to describe oxalate categories and Safe/Caution/Avoid to recommend dietary action.

Can oxalate levels change with cooking?

Yes. Boiling and discarding water can reduce soluble oxalate by 30-50% in many vegetables. Check the food's main page or cooking-specific angle page for details on preparation effects.

Is 'Low Oxalate' the same as 'No Oxalate'?

No — almost all plant foods contain some oxalate. 'Low Oxalate' means under 25 mg per serving, which is considered safe for kidney stone patients. Only purified products like sugar, oil, and salt have near-zero oxalate.

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.