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 tbsp | 18 g | 1 mg | Safe |
| 2 x 1 tbsp | 36 g | 2 mg | Safe |
| ½ x 1 tbsp | 9 g | 0.5 mg | Safe |
🏷️ Tags
🟢 See all Condiments rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Should I avoid Ponzu sauce if I have kidney stones?
Short answer: yes. Longer answer: at 1 mg per 1 tbsp, Ponzu sauce 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 Ponzu sauce?
Here are the numbers: 1 mg oxalate in one 1 tbsp of Ponzu sauce (18g). Per 100 grams, that's 0 mg. Harvard T.H. Chan SPH did the lab work (2024) — these aren't database guesses.
Is Ponzu sauce low or high oxalate?
Nope. Ponzu sauce is a low-oxalate food — just 1 mg per 1 tbsp. Well under the 25 mg cutoff. You're in the clear with this one.
What can I eat instead of Ponzu sauce?
There are almost always safer swaps in the same food family. For Ponzu sauce, check the related foods section below — the green-marked ones are your best bets. All verified by Harvard (2024).
How reliable is the data for Ponzu sauce?
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.