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 Seafood rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
❓ Frequently Asked Questions
Can I eat Fish sauce with kidney stones?
It's fine. Fish sauce has 1 mg of oxalate per 1 tbsp. 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 Fish sauce?
The exact figure: 1 mg of oxalate per 1 tbsp of Fish sauce. Works out to 0 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.
Is Fish sauce high in oxalates?
Nope. Fish 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 Fish sauce?
There are almost always safer swaps in the same food family. For Fish 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 Fish sauce?
The oxalate number for Fish sauce — 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.