Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 1 medium | 182 g | 1 mg | Safe |
| 2 x 1 medium | 364 g | 2 mg | Safe |
| ½ x 1 medium | 91 g | 0.5 mg | Safe |
🏷️ Tags
🟢 See all Fruits rated Safe for kidney stones →
⚖️ Compare this food: · vs Kiwi · vs Enteral Nutrition Formula →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Is Apple safe for kidney stones?
Short answer: yes. Longer answer: at 1 mg per 1 medium, Apple is one of the safer things you can eat if you're watching oxalate. Harvard T.H. Chan SPH measured this directly.
How much oxalate is in Apple?
Here are the numbers: 1 mg oxalate in one 1 medium of Apple (182g). Per 100 grams, that's 0 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.
Is Apple a high-oxalate food?
Low. 1 mg per 1 medium puts Apple firmly in the low-oxalate category. Safe for regular eating if you're managing kidney stones.
What can I eat instead of Apple?
Plenty of options. Scroll down to Related Foods — every 🟢 green item there is a lower-oxalate alternative to Apple. Same food group, way less oxalate.
How reliable is the data for Apple?
The oxalate number for Apple — 1 mg per serving — is from Harvard's 2024 lab analysis. That part is solid. The USDA nutrition data (sodium, protein, calcium) is still being matched — we'll update when it's available.