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 Chips →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Can I eat Apple with kidney stones?
Don't overthink this one. Apple has 1 mg oxalate per 1 medium. That's solidly safe territory for kidney stones. The number is from Harvard's latest lab work.
How much oxalate is in Apple?
The exact figure: 1 mg of oxalate per 1 medium of Apple. Works out to 0 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.
Is Apple low or high oxalate?
Nope. Apple is a low-oxalate food — just 1 mg per 1 medium. Well under the 25 mg cutoff. You're in the clear with this one.
What are the best low-oxalate alternatives to Apple?
Substitutes exist. The safe alternatives listed below are all low-oxalate foods in the same family as Apple. Grab one of those and you dodge the oxalate while keeping similar flavors.
How reliable is the data for Apple?
Oxalate: very reliable (Harvard 2024 lab measurement). Other nutrients: still being matched to USDA data. The oxalate figure is what matters for a kidney stone decision, and that one's solid.