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 |
|---|---|---|---|
| 1/2 cup | 121 g | 11 mg | Safe |
| 2 x 1/2 cup | 242 g | 22 mg | Safe |
| ½ x 1/2 cup | 60 g | 5.5 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 Tomatoes if I have kidney stones?
No red flags here. Just 11 mg per 1/2 cup — well below the 25 mg danger line. You can keep Tomatoes in your regular rotation. Data comes from Harvard (2024).
How much oxalate is in Tomatoes?
One 1/2 cup of Tomatoes = 11 mg oxalate. Scale it up to 100g and you're at 9 mg. Direct measurement from Harvard, 2024. About as reliable as food data gets.
Is Tomatoes high in oxalates?
Nope. Tomatoes is a low-oxalate food — just 11 mg per 1/2 cup. Well under the 25 mg cutoff. You're in the clear with this one.
What are the best low-oxalate alternatives to Tomatoes?
Don't give up the whole category — just pick a safer member of it. The green foods in the related section all work as substitutes for Tomatoes with a fraction of the oxalate.
How reliable is the data for Tomatoes?
The 11 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.