Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
How the form changes the number: preparation is the real variable across this family. Boiling leaches a meaningful share of soluble oxalate into the cooking water — commonly 30-50% for plant foods — while raw and dry-heat forms keep essentially all of it, so the same base food can land in different brackets depending on how it is cooked. This page tracks Peppers (Cayenne) at 1 mg per serving, at the low end of the family. Related forms in this family: Peppers (New Mexican or Anaheim) (22 mg).
Reading spice numbers honestly: herbs and spices are measured per teaspoon, and a teaspoon of almost anything dried weighs 1-2 grams — so even a spice at a high per-100g concentration delivers a trivial oxalate load in the spoon most recipes use. The realistic way to use this table is for cooking frequency: a spice you shake daily deserves a lower number than one you toast twice a year. Peppers (Cayenne) sits at 1 mg per teaspoon serving. Nearby entries in this category: Allspice (1 mg), Anise seed (1 mg), Basil (1 mg).
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 1 serving | 100 g | 1 mg | Low Oxalate |
| 2 x 1 serving | 200 g | 2 mg | Low Oxalate |
| ½ x 1 serving | 50 g | 0.5 mg | Low Oxalate |
🏷️ Tags
🟢 See all Vegetables rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Can I eat Peppers with kidney stones?
Don't overthink this one. Peppers has 1 mg oxalate per 1 serving. That's solidly safe territory for kidney stones. The number is from Harvard's latest lab work.
What's the oxalate content of Peppers?
The lab result: 1 mg per 1 serving (100g serving). That's 20 mg per 100g. Harvard's ion chromatography analysis, 2024. Not crowdsourced, not estimated.
Is Peppers low or high oxalate?
Low. 1 mg per 1 serving puts Peppers firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.
What can I eat instead of Peppers?
Don't give up the whole category — just pick a safer member of it. The green foods in the related section all work as substitutes for Peppers with a fraction of the oxalate.
How much sodium does Peppers have?
Low sodium: 0 mg/100g. That's a non-issue for kidney stones. Just don't undo it by drowning it in salt during cooking.