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 cup | 240 g | 1 mg | Safe |
| 2 x 1 cup | 480 g | 2 mg | Safe |
| ½ x 1 cup | 120 g | 0.5 mg | Safe |
🏷️ Tags
🟢 See all Beverages rated Safe for kidney stones →
⚖️ Compare this food: · vs candies →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Is Coconut water safe for kidney stones?
It's fine. Coconut water has 1 mg of oxalate per 1 cup. That's low enough that kidney stone patients don't really need to worry about it. Harvard did the measuring, not us.
How much oxalate is in Coconut water?
Here are the numbers: 1 mg oxalate in one 1 cup of Coconut water (240g). Per 100 grams, that's 0 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.
Is Coconut water high in oxalates?
Definitely low. 1 mg oxalate per 1 cup. That's the green zone. No restrictions needed for this food.
What can I eat instead of Coconut water?
Substitutes exist. The safe alternatives listed below are all low-oxalate foods in the same family as Coconut water. Grab one of those and you dodge the oxalate while keeping similar flavors.
Is Coconut water a good drink for kidney stones?
As far as kidney stones go, Coconut water is in the safe zone for beverages at 1 mg per serving. Hydration matters more than anything — so drink plenty of water regardless of what else you consume.
How reliable is the data for Coconut water?
The 1 mg oxalate figure is direct from Harvard's lab — measured, not estimated. The sodium/protein/calcium numbers aren't fully matched yet. When they are, we'll update.