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
Is Oyster sauce safe for kidney stones?
Don't overthink this one. Oyster sauce has 1 mg oxalate per 1 tbsp. That's solidly safe territory for kidney stones. The number is from Harvard's latest lab work.
What's the oxalate content of Oyster sauce?
Quick math: 1 tbsp of Oyster sauce = 1 mg oxalate. 100g = 0 mg. Both numbers come from Harvard's latest lab measurements. Not AI, not a database, actual lab work.
Is Oyster sauce a high-oxalate food?
Nope. Oyster 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 are the best low-oxalate alternatives to Oyster sauce?
Substitutes exist. The safe alternatives listed below are all low-oxalate foods in the same family as Oyster sauce. Grab one of those and you dodge the oxalate while keeping similar flavors.
How reliable is the data for Oyster sauce?
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.