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 | 12 g | 0 mg | Safe |
| 2 x 1 tbsp | 24 g | 0 mg | Safe |
| ½ x 1 tbsp | 6 g | 0 mg | Safe |
🏷️ Tags
🟢 See all Vegetables rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Should I avoid Potato starch if I have kidney stones?
Don't overthink this one. Potato starch has 0 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 Potato starch?
The exact figure: 0 mg of oxalate per 1 tbsp of Potato starch. Works out to 0 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.
Is Potato starch low or high oxalate?
Nope. Potato starch is a low-oxalate food — just 0 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 Potato starch?
Look at the 'Safe Alternatives' section right below this FAQ. Those foods are all under 25 mg oxalate per serving and in the same category as Potato starch. Pick from those.
How reliable is the data for Potato starch?
The 0 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.